the central limit theorem allows us to use the normal distribution to make inferences concerning the population mean group of answer choices if the population is normally distributed and the sample size is reasonably large. if the sample size is reasonable large (for any population) if the population is normally distributed (for any sample size) if the population size is reasonably large (whether the population distribution is known or not)

Answers

Answer 1

The Central Limit Theorem states that if the population is normally distributed and the sample size is reasonably large, then the sample mean will be normally distributed.

The Central Limit Theorem states that if the sample size is reasonably large and the population is normally distributed, then the sample mean will be normally distributed. This means that we can use the normal distribution to make inferences about the population mean. Specifically, it allows us to calculate the probability that the population mean falls within a certain range, given the sample mean. This is useful because we can use the sample data to make assumptions about the population as a whole. For example, if the sample data is normally distributed, we can assume that the population mean is also normally distributed. This is especially useful when the population size is large and it would be difficult to collect data from every individual in the population. The Central Limit Theorem gives us an efficient way to make inferences about the population mean.

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Related Questions

Which story matches the equation -6 + 3x = 2 + 4x?
A. At 5 p.m, the temperatures recorded at two weather stations in Antarctica are 6 degrees and 2 degrees. The temperature changes at the same constant rate,
* degrees per hour, throughout the night at both locations. The temperature at the first station 3 hours after this recording is the same as the temperature at the second station 4 hours after this recording.
Elena and Kiran play a card game. Every time they collect a pair of matching cards, they earn x points. At one point in the game, Kiran has -6 points and Elena has 2 points. After Elena collects 3 pairs and Kiran collects 4 pairs, they have the same number of points.
4. For what value of x do the expressions }x + 2 and ¡x - 6 have the same value?

Answers

The solution is Option C.

The value of the equation is -6 + 3x = 2 + 4x

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Elena and Kiran play a card game. Every time they collect a pair of matching cards, they earn x points.

At one point in the game, Kiran has -6 points and Elena has 2 points.

After Elena collects 3 pairs and Kiran collects 4 pairs, they have the same number of points

-6 + 2 ( x ) pairs = 2 + 4 ( x ) pairs

Therefore , the equation is x = -8

Hence , the equation is -6 + 3x = 2 + 4x

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I need help with my homework please

Answers

The value of x in parallelogram ABCD is equal to 7.

What is a parallelogram?

In Mathematics, a parallelogram simply refers to a geometrical figure (shape) and it can be defined as a type of quadrilateral and two-dimensional geometrical figure that has two (2) equal and parallel opposite sides.

In this context, we can reasonably infer and logically deduce that this parallelogram has both pairs of opposite sides being parallel to each other and the opposite angles (vertical angles) are equal and congruent:

x + 3 = 2x - 4

2x - x = 3 + 4

x = 7.

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One root of f (x) = x cubed + 10 x squared minus 25 x minus 250 is x = –10. What are all the roots of the function? Use the Remainder Theorem.
x = –25 or x = 10
x = –25, x = 1, or x = 10
x = –10 or x = 5
x = –10, x = –5, or x = 5

Answers

All the roots of the function will be -5, 5, and -10. Then the correct option is D.

What is the solution to the equation?

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

The function is given below.

f(x) = x³ + 10x² - 25x - 250

Factorize the equation, then we have

f(x) = x³ + 10x² - 25x - 250

f(x) = x²(x + 10) - 25(x + 10)

f(x) = (x² - 5²)(x + 10)

f(x) = (x + 5)(x - 5)(x + 10)

Then the roots of the function are given as,

f(x) = 0

(x + 5)(x - 5)(x + 10) = 0

x = -5, -10, 5

All the roots of the function will be -5, 5, and -10. Then the correct option is D.

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Special right triangles

Answers

The value of x and y from the given right triangle are 13 units and 18.38 units respectively.

What are trigonometric ratios?

The sides and angles of a right-angled triangle are dealt with in Trigonometry. The ratios of acute angles are called trigonometric ratios of angles. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

We know that, cosθ= Base/Hypotenuse and sinθ= Perpendicular/Hypotenuse

Now, cos45°= 13/y

0.7071= 13/y

y =13/0.7071

y =18.38 units

Here, sin45°= x/y

0.7071=x/18.38

x= 18.38×0.7071

x= 12.99

x≈13 units

Therefore, the value of x and y are 13 units and 18.38 units respectively.

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A group of students was surveyed in a middle school class. They were asked how many hours they work on math homework each week. The results from the survey were recorded.


Number of Hours Total Number of Students
0 1
1 8
2 2
3 5
4 9
5 7
6 3


Determine the probability that a student studied for exactly 1 hour. Round to the nearest hundredth.
0.03
0.23
0.30
0.77

Answers

Answer:

Second choice

0.23

Step-by-step explanation:

Total number of students = 1 + 8 + 2 + 5 + 9 + 7 + 3 =35

Out of these 35 students, 8 studied for exactly one hour

P(a randomly picked student studied for exactly 1 hour
= 8/35

= 0.22857

= 0.23 rounded to nearest hundredth

This is the second choice among those provided

Answer:

The probability that a student studied for exactly 1 hour is 0.38. This is calculated by dividing the number of students who studied for 1 hour (8) by the total number of students surveyed (35).

Probability = Number of successful outcomes / Total number of outcomes

= 8 / 35

= 0.23

On the planet Gespil, there are 5 frophs to every 12 umpts. If farmer Pisquet has 50 umpts on her joogh farm, how many frophs are on the farm?​

Answers

The number of frophs on the farm is 21 frophs.

How to find the number of frophs on the farm

First we need to determine the ratio of frophs to umpts and then multiply that ratio by the number of umpts on the farm.

The ratio of frophs to umpts is 5 frophs per 12 umpts, which can be simplified to 5/12 frophs per umpt.

If farmer Pisquet has 50 umpts on her joogh farm, then the number of frophs on the farm is:

50 umpts * (5/12 frophs per umpt) = 20.83 frophs

Rounding to the nearest whole number, the number of frophs on the farm is 21 frophs.

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X, Y are two independent N(0,1) random variables, and we have random variables P,Q defined as P = 3X + XY 2
Q=X then calculate the variance V ar(P + Q)

Answers

The variance of P + Q or  Var(P + Q) for given random variables is 14.

Since X and Y are independent N(0,1) random variables, we have Variance of X = 1 and Variance of Y = 1.

Given, P = 3X + XY

Variance of P = Variance of 3X + Variance of XY

= 9 + Variance of X * Variance of Y + 2 * Covariance(X,Y)

= 9 + 1 * 1 + 2 * Covariance(X,Y)

= 10

Given, Q = 2X

Variance of Q = Variance of 2X

= 4 * Variance of X

= 4

Variance of P + Q = Variance of P + Variance of Q

= 10 + 4

= 14

Therefore, the variance of P + Q = 14.

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4 over 5 divided by 3 over 4

Answers

[tex]\cfrac{4}{5}\div\cfrac{3}{4}\implies \cfrac{4}{5}\cdot \cfrac{4}{3}\implies \cfrac{16}{15}[/tex]

is the question below
(one solution)
(infinite number of solutions) or
(no solution)

Answers

Answer: Infinite number of solutions

Step-by-step explanation: The graph has arrows at the end indicating it will go to infinity.

If X and Y are jointly continuous with joint density function fx,y(x,y), show that X + Y is continuous with density function fx+y(t) = | sx.x(8,6 – u)dx

Answers

X + Y is continuous with density function fx+y(t) = |sx.x(8,6-u)|dxdy.

Let X and Y be jointly continuous random variables with joint density function fx,y(x,y). The density function of the sum of X and Y, X + Y, is given by the convolution of fx,y(x,y) and is denoted by fx+y(t). The convolution of fx,y(x,y) is calculated as follows:

fx+y(t) = ∫∫infinityfX,Y(x,y)dydx

= ∫∫∞fX,Y(x,y)dxdy

= ∫∫∞fX,Y(x,y)sx.(x(8,6-u))dxdy

= ∫∫∞|sx.x(8,6-u)|dxdy

Hence, X + Y is continuous with density function fx+y(t) = |sx.x(8,6-u)|dxdy.

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someone please help me with this i suck at math and im losing my mind right now thank you.

Answers

The factors of the cubic function f(x) = 27x³ + 8 are ( 3x + 2) and ( 9x² - 6x + 4 ).

What are the factors of the cubic function?

Given the function in the question;

f(x) = 27x³ + 8

To determine the factors, first rewrite 27x³ as (3x)² and 8 as 2³

27x³ + 8

(3x)² + 2³

Since both terms are perfect cubes, factor using the sum of cubes formula.

a³ + b³ = (a+b)(a² - ab + b² )

Here, a = 3x and b = 2

Plug in these values

(a+b)(a² - ab + b² )

( 3x + 2)( (3x)² - (3x)×2 + 2² )

Simplify

( 3x + 2)( (3x × 3x) - (3x)×2 + 2² )

( 3x + 2)( 9x² - 6x + 4 )

Therefore, the factors are ( 3x + 2) and ( 9x² - 6x + 4 ).

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there are 35 rides at a large theme park. a team of journalists wants to interview some customers to get their opinion on the best rides in the park. the journalists randomly choose 5 of the rides and interview all of the people exiting those rides.

Answers

The correct option Cluster random sample.

In cluster random sampling, at first the population is divided into several small non-overlapping sub-populations and these sub-populations are called clusters.

The size of the cluster may or may not be equal.

Units within the cluster should be as heterogeneous as possible, i.e. one cluster could represent the population, and units between the clusters should be homogeneous.

Then simple random sampling is used to select some sample cluster and all the units of the selected cluster are taken as sample units.

Cluster sampling can be more cost-effective than simple random sampling, especially if the population is dispersed across a large geographical area.

However, cluster sampling methods tend to be less efficient than either simple random sampling methods or stratified sampling methods and often require a larger sample size.

The entire population: here all customers are divided into several clusters: here 35 rides. Sample of clusters: here 5 rides are selected and all items in the selected 5 clusters are included in the sample.

Therefore, the correct option is Cluster random sample.

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Solve the equation 6+8x=58

Answers

Answer:

6.5

Step-by-step explanation:

6+8x=58

subtract the 6 from both sides to get 8x=52

Divide by 8 and then get x=6.5

Answer: x=13/2

Step-by-step explanation:

move the constant to the right hand side and change its sign.

you should get 8x=58-6

then subtract 58-6

new equation = 8x=52 then divide both sides by 8

8x/8 cancles out eachother

52/8 is 6.5

answer x=6.5 or in other words x=13/2

The function f(x) = 3x + 10 represents the number of animals adopted at one shelter, where x is the number of months.

The function g(x) = x + 5 represents the number of animals adopted at another shelter, where x is the number of months.

Part A: What is (f + g)(x)? Show all necessary steps. (2 points)

Part B: Evaluate (f + g)(6). Show your work. (2 points)

Part C: Explain what your answer represents in terms of the scenario. (2 points)

Answers

The answers are a) (f+g)x = 4x+15, b) 39 and c) the animals adopted in 6 months are 24 and there were already 15 animal at the shelter.

What is function?

An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable) is called a function.

Given that, the function f(x) = 3x + 10 represents the number of animals adopted at one shelter, and the function g(x) = x + 5 represents the number of animals adopted at another shelter, where x is the number of months.

a) (f+g)x = f(x) + g(x)

= 3x+10 + x+5

= 4x+15

∴ (f+g)x = 4x+15

b) (f + g)(6)

Put x = 6 in (f+g)x = 4x+15

∴ (f + g)(6) = 4(6)+15

= 24+15

= 39

c) It means, the animals adopted in 6 months are 24 and there were already 15 animal at the shelter.

Hence, the answers are a) (f+g)x = 4x+15, b) 39 and c) the animals adopted in 6 months are 24 and there were already 15 animal at the shelter.

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Answer:

Step-by-step explanation:

Part A: (f + g)(x) = 4x + 15.

My work for Part A:

Step 1: Write the functions without the parentheses: x + 5 + 3x + 10 .

Step 2: Rewrite the function so like terms are next to each other: x + 3x + 5 + 10.

Step 3: Combine like terms: x + 3x = 4x, and 5 + 10 = 15.

Step 4: Write the final function in standard form: (f + g)(x) = 4x + 15.

Part B: (f + g)(6) = 39.

My work for Part B:

Step 1: Write the first function substituting x for 4: f(6) = 6 + 5.

Step 2: Solve the function: f(6) = 6 + 5 = 11.

Step 3: Write the final answer for the first function: f(6) = 11.

Step 4: Write the second function substituting x for 4: g(4) = 3 x 6 + 10.

Step 5: Solve the function: g(4) = 3 x 6 = 18, and 18 + 10 = 28.

Write the final answer for the second function: g(4) = 28.

Step 6: Add the output answers together: 11 + 28 = 39.

Step 7: Write the final output answer for both functions: (f + g)(4) = 39.

Part C: 39 represents the total number of animals adopted at two shelters in 6 months.

Rearrange the following words to make a sentence:

opposite is direction north east the of

Is the statement true or false? This question is required. *

Answers

The rearrangement of Tue following words to make a meaningful sentence is as follows:

The direction is opposite of the north east.The statement is true or false.

What is a sentence?

A sentence is defined as the a group of words that is made up of a subject, a verb and punctuation marks which are used to create a meaning to the sentence.

The restructuring of the given sentence above would be shown below as follows:

The direction is opposite of the north east.The statement is true or false.

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in a study, the sample is chosen by using the random number generator on your ti-83 to generate a number, like 3, then taking every 3rd person in the list

Answers

Systematic sampling involves selecting every nth item from a list, potentially with bias and non-random results, so choose carefully.

The method used to choose the sample in this study is called "systematic sampling". This involves selecting a starting point (in this case using a random number generator) and then selecting every nth item (in this case, every 3rd person) from a list to form the sample. This type of sampling can introduce biases in the sample if the list has some pattern or structure, so it's important to be aware of these potential issues when using this method.

In systematic sampling, the selection of each member of the sample is based on a fixed and systematic rule. The advantage of this method is that it is easy to implement and cost-effective. The disadvantage is that if the list has any pattern or structure, such as alternation or clustering, the sample may not be representative of the population. It's important to carefully consider the list and choose an appropriate starting point and interval to reduce the potential for bias.

It's also worth noting that systematic sampling may not result in a random sample, as the sample members may not be independent of each other. This can have implications for the validity of inferences made from the sample to the population. Therefore, it's important to carefully consider the properties of the population and the goals of the study when choosing a sampling method.

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shows a thin, uniformly charged disk of radius r . imagine the disk divided into rings of varying radii r , as suggested in the figure.

Answers

A thin, uniformly charged disk can be represented as a collection of concentric charged rings with varying radii. Each ring has a uniform charge density and the total charge of the disk is distributed evenly across all the rings.

The electric field at a point on the axial line of the disk can be calculated using the formula E = k * Q / r^2, where k is Coulomb's constant, Q is the total charge on the disk, and r is the distance from the center of the disk to the point where the electric field is being calculated.

The electric field at a point outside the disk will be equal to the sum of the electric fields produced by each ring at that point.

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below are the iq test scores of 10 randomly chosen fifth-grade students. 141 139 126 122 125 130 95 110 118 118

Answers

Mean is 121.4, standard ,the deviation is 13. 21, variance is 175.47, minimum is 95, median is 118.

Here is an estimate of the order of a given intelligence level:

a. mean (normal):

mean can be found by including all scores and dividing by the number of scores:

mean = (141 + 139 + 126 + 122 + 125 + 130 + 95 + 110 + 118 + 118)/10 = 121.4

center:

b. median

if the scores are ordered ascending, center is the center score:

95, 110 , 118, 118, 122 , 125, 126, 130, 139, 141

Median = 118

c. Standard Deviation:

The standard deviation indicates how spread out the information is. Here's a recipe for finding the standard deviation:

Standard Deviation = sqrt(Variance)

d. Variation:

Variation is the proportion of variation in the set of information. The recipe for determining the change is:

Variance = (amount of ((each score - average)^2)/(number of scores - 1)

connect the numbers obtained:

Variance = (( ( amount of each score - ) 121.4)^2)/(10 - 1)

Variance = 1579.

24/9 = 175.47

standard deviation = sqrt(variance) = sqrt(175.47) = 13.21

e. minimum:

base is information gathering minimum:

minimum = 95

so, mean is 121.4, standard The deviation is 13. 21, difference is 175.47, base is 95, middle is 118

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The complete question is:

Below are the iq test scores of 10 randomly chosen fifth-grade students. 141 139 126 122 125 130 95 110 118 118. calculate a. mean b. median c. standard deviation d. variance e. minimum.

For the pair of functions find the indicated sum , difference , product or quotient

f(x)= square root of 3x+3 g(x)=1/x

find (f/g) (x)

Answers

[tex]\huge\begin{array}{ccc}\left(\frac{f}{g}\right)(x)=x\sqrt{3x+3};&x\in[-1,\ \infty)\end{array}[/tex]

Functions.

We have:

[tex]f(x)=\sqrt{3x+3}[/tex]

and

[tex]g(x)=\dfrac{1}{x}[/tex]

Create the domains:

[tex]D_f:\\\\3x+3\geq0\\\\3x+3-3\geq0-3\\\\3x\geq-3\\\\\dfrac{3x}{3}\geq\dfrac{-3}{3}\\\\\boxed{x\geq-1\to x\in[-1,\ \infty)}[/tex]

[tex]D_g:\\\\x\neq0\\\\\boxed{x\in\mathbb{R}-\{0\}}[/tex]

Solution:

[tex]\left(\dfrac{f}{g}\right)(x)=\dfrac{\sqrt{3x+3}}{\frac{1}{x}}=\sqrt{3x+3}\cdot\dfrac{x}{1}=x\sqrt{3x+3}[/tex]

triangle abc and trianglee xyz are similar triangles. the lengths of tow sides of each triangle are show. find the length of the third side of each triangle

Answers

The length of the third side of ΔXYZ is 6 meters and the length of the third side of ΔABC is 11 meters.

ΔABC is similar to ΔXYZ

So, The sides of the two triangles are proportional to each other.

AB/XY = 6/3 = 2

BC/YZ = 11/5.5 = 2

To find the lengths of the third sides:

For XZ, we can use the proportion of AB/XY to find XZ. Since AB/XY = 2, we have XZ = 3 * 2 = 6.For AC, we can use the proportion of BC/YZ to find AC. Since BC/YZ = 2, we have AC = 5.5 * 2 = 11.

So, the length of the third side of ΔXYZ is 6 meters and the length of the third side of ΔABC is 11 meters.

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Complete Question:

Δ ABC and Δ XYZ are similar triangles. the lengths of the two sides of each triangle are shown as 3 and 5.5. find the length of the third side of each triangle.

1) List all pairs of congruent angles, and write a proportion that r
for each pair of similar polygons. ABCD - WXYZ
2) Determine whether each pair of figures is similar. If so, find the scale factor. Explain your reasoning.
B

Answers

1) the corresponding angles which congruent are:- ∠ A = ∠ W, ∠ B = ∠ X, ∠ C = ∠ Y and ∠ D = ∠ Z, 2) a) Similar with scale factor of 3/4 b) Not similar and c) Not similar.

What are similar figures?

Two or more figures or objects are similar if they have the same shape, but not necessarily the same size.

Given that, two similar polygons, ABCD ~ WXYZ, and some polygons we need to determine congruent angles, in first and determine whether each pair of figures is similar. If so, find the scale factor. in second,

1) The similar polygons are ABCD ~ WXYZ

Therefore, corresponding angles which congruent are:-

∠ A = ∠ W

∠ B = ∠ X

∠ C = ∠ Y

∠ D = ∠ Z

2) Determining if given polygons are similar or not:

a) CDEF and QRST

Here,

CD/QR = DE/RS = EF/ST = CF/QT = 3/4

Scale factor = 3/4

Therefore, CDEF ~ QRST

b) Δ QRS and Δ TUV

Here,

QR/TU ≠ RS/VU

Therefore, Δ QRS and Δ TUV are not similar.

c) Rectangle LMNO and rectangle RSTU,

Here, LM/RS ≠ NO/TU

Therefore, Rectangle LMNO and rectangle RSTU are not similar.

Hence, 1) the corresponding angles which congruent are:- ∠ A = ∠ W, ∠ B = ∠ X, ∠ C = ∠ Y and ∠ D = ∠ Z, 2) a) Similar with scale factor of 3/4 b) Not similar and c) Not similar.

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The question was incomplete, so I solved for,

1) List all pairs of congruent angles, and write a proportion that for each pair of similar polygons. ABCD - WXYZ

2) Determine whether each pair of figures is similar. If so, find the scale factor.

The growth factor for one generation of a bacteria culture is given by the function g(t)=ln(2)t, in which t is the time it takes for the generation to mature to its full size based on the energy resources and environmental conditions available in the culture. What happens to t if g(t) is cut in half?
t=
Points possible: 1
Allowed attempts: 3
Question 2
What happens to t?
If g(t) is cut in half, then t is

Answers

If g(t) is cut in half, then t is doubled. Halving the growth factor halves the rate of growth, reducing the time required for a generation to develop to full size.

What do you mean by growth factor?

Growth factor refers to a mathematical expression or a metric that measures the rate of increase or growth of a quantity over time. It is used in many fields such as biology, economics, finance, and others to quantify the increase in size, population, revenue, or any other variable of interest. The growth factor can be represented as a ratio, percentage, or an exponential function and is used to predict future growth based on past trends.

3 potential points

Three tries are permitted.

If g(t) is divided in half, t is also divided in half. This is because the growth factor is a measure of the rate of growth, and halving it equals halves the rate of growth. As a result, the time required for a generation to develop to full size is cut in half.

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Find the value of x.

Answers

Check the picture below.

[tex]\cfrac{22}{14}=\cfrac{55}{x}\implies \cfrac{11}{7}=\cfrac{55}{x}\implies 11x=385\implies x=\cfrac{385}{11}\implies \boxed{x=35}[/tex]

Answer:

52.32

Step-by-step explanation:

let the line perpendicular to x be a.

so 22² -14² = a²

55²-x² = a² = 22²-14²

so x² = 55² - 22² + 14² = 3025-484+196= 2345

solve for x = 52.32

Personality types are broadly defined according to four main preferences. Do married couples choose similar or different personality types in their mates? Suppose the following data were collected to attempt to answer this question.

Answers

a) The probability that the married couples will have 0, 1, 2, 3, or 4 preferences in common is as follows:

All four  0.07Three    0.32Two      0.30One      0.16None    0.15.

b) Yes, the probabilities add up to 1.

c) The above result does make sense. The table values add up to 375 as the probabilities sum up to 1.

d) The sample space in this problem is C. 0, 1, 2, 3, 4 personality preferences in common.

What is the probability?

Probability refers to the odds, chance, or likelihood of an expected outcome occurring given many possible outcomes.

Probability is a fractional value, lying between 0 and 1, in most instances, except when it is 100% uncertain or certain.

Random Sample = 375 married couples

Number of Similar     Number of              Probability of

  Preferences        Married Couples   Common Preferences

     All four                        26                       6.93% (26/375)   or 0.07

     Three                         120                    32.00% (120/375) or 0.32

     Two                            113                     30.13% (113/375)   or 0.30

     One                             61                     16.27% (61/375)     or 0.16

    None                           55                     14.67% (55/375)    or 0.15

Total                               375                     100%                      or  1  

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compute 16/36 + 2/36

Answers

Since the denominators are the same for both of the fractions, you can add the numerators normally

16+2 = 18

So, 18/36 simplified to 1/2

Hope this helps :)

Write the following ratios in their simplest form: 150 cm: 1060 mm​

Answers

The simplest form of the ratio is given as 15 cm : 106 mm

How to solve for the ratio

We would have to divide the values by  a factor that is common to both the numerator and the denominator.

Hence we would have to divide through both sides of the equation by 10

150 / 10 : 1060 / 10

= 15 : 106

The ratio 150 cm: 1060 mm can be written as 15:106 in its simplest form. To simplify the ratio, both numbers are divided by the greatest common factor which is 10 in this case.

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Answer:

10

Step-by-step explanation:

find GCF for both numbers

150=2*3*5*5

1060=2*2*5*53

multiply all common ones:2*5=10

Determine if the events are mutually exclusive. Select a book: Get a hardback and get a paperback. A. Not mutually exclusive B. Mutually exclusive

Answers

Since either a book can be hardback or paperback but not both at same time, therefore events are mutually exclusive .

What Constitutes a Mutual Exclusion?

A statistical concept known as mutual exclusion refers to two or more occurrences that cannot occur simultaneously.

                                   It frequently refers to a circumstance where the occurrence of one event takes precedence over the other. For instance, it is impossible for peace and violence to coexist.

What is inclusive or mutually exclusive?

When two occurrences can't take place at once, they are mutually exclusive. mutually beneficial gatherings.

                                When two events can happen at the same time, they are mutually inclusive. Outcomes. conceivable outcomes of a probability experiment with only one trial.

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g is group of order n and f is given by action of g on g via translation. what are the number and lengths of disjoint cycles of f(a)

Answers

The number and lengths of disjoint cycles of the function f(a) (where f is given by the action of a group g of order n on itself via translation) depend on the specific group and the specific element a being acted upon.

If g is a finite group, then the function f(a) has precisely n disjoint cycles, each of length a power of a prime dividing n. The factorization of n into primes determines the number of cycles of each length.

If n is a prime number, then g is a cyclic group and f(a) has precisely one cycle of length n.

If n is a composite number, then f(a) will have distinct length cycles.

The cycle lengths correspond to the divisors of n, and the number of cycles of each length corresponds to the number of times that divisor appears in the factorization of n.

In any case, to determine the specific number and lengths of disjoint cycles of f(a), one would need to know the specific group g and the specific element a being acted upon.

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a lattice is a point at the intersection of two or more grid

Answers

The probability that two lattices selected are from rectangle WXYZ is 4/12.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

In rectangle ABCD.

Number of lattices = 36

In rectangle WXYZ

Number of lattices = 16

Now,

The probability that two lattices selected is from rectangle WXYZ.

= [tex]^{16}C_2[/tex] / [tex]^{36}C_2[/tex]

= ((16 x 15)/2) / ((36 x 35)/2)

= 8 x 15 / 18 x 35

= 4 / 21

Thus,

The probability is 4/12.

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The complete question is given below.

WHAT IS 18 X 9???????

Answers

Answer:

162

Step-by-step explanation:

Eighteen multiplied by nine is one hundred and sixty two.
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