QUESTION 13 How many simple random samples of size 3 can be selected from a population of size 8? a. 336 Ob. 24 c. 56 d. 6561

Q: Find a value of c so that P(Z ≤ c) = 0.65.

A: According to the given information in this question We need to find the value of c

Q: A recent study of the lifetimes of cell phones found the average is  24.3  months. The standard…

A: GivenMean(μ)=24.3standard deviation(σ)=2.6sample size(n)=35

Q: Use the given data to construct a 80% confidence interval for the population proportion p. x = 55, n…

A: given data x = 55n = 7080% ci for p =?

Q: 41) The mean is u = 137.0 and the standard deviation is o = 5.3. Find the probability that X is…

A: Given Mean=137 Standard deviations=5.3

Q: Dana is a math professor who usually teaches in-person but has recently started teaching online.…

A: Given that, mean , μ=76.5standard deviation,σ=19.1and sample mean(class-average),x =68.4 and sample…

Q: Solve using R studio commands Suppose Z~N(0,1), find: (a) P(Z < 0.5), P(Z = 0.5), and P(Z ≥ 2.3)…

A: Solution: Let Z be the standard normal variable with mean 0 and standard deviation 1. Z~N(0,1)

Q: To study the effect of temperature on yield in a chemical process, five batches were produced at…

A: Given F=0.25 , df1=10, df2=236

Q: Let X and Y be random variables where the expected value of X is 1, expected value of Y is 4,…

A: Given,E(X)=1E(Y)=4Var(X)=4Var(Y)=6and Cov(X,Y)=0.50

Q: a) A college principal decides to consult the students about a proposed change in the time of…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: 1. A student researcher from the College of Education of the University of Pangasinan is making an…

A:

Q: b) A machine fills cans with soft drinks so that their contents have a volume of 330ml. Over a…

A: Given that n=50  &amp; Standard deviation =3 and  μ=335 &amp; x=344.6 H0: μ=355 Ha:μ≠335

Q: For a t distribution with 16 degrees of freedom, find the area, or probability, in each region.…

A: Given that  df = 16 Note: According to bartleby experts question answers guidelines an expert can…

Q: The Coffee shop's mean sales are $2000 a day, with a standard deviation of $1000. what're the…

A: GivenMean(μ)=2000standard deviation(σ)=1000

Q: What is the Central Limit Theorem (Sampling Distribution for the Mean) Properties and Why It Occurs?

A: Solution-: What is the Central Limit Theorem (Sampling Distribution for the Mean) Properties and Why…

Q: for the above i got the mean of 1, can you help me w the standard deviation and the variance

A: From the above parts Here we have Since, X ~ Binomial (n = 3 , p = 1/3)  Therefore, n = 3 , p = 1/3…

Q: researcher wishes to examine the relationship between years of schooling completed and the number of…

A: Given that  Regression equation  y^ = 4 - 5x Where x is the number of years of schooling completed…

Q: If the standard deviation of a sample is 9. How many subjects would we need to have 80% power to…

A: Given: Sample standard deviation s = 9 Difference d = 9 Significance level α = 0.025 Formula Used: n…

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 422 green peas…

A: From the provided information, Sample size (n) = 422 + 154 = 576 From which 154 yellow peas so…

Q: random sample of 5005 adults in a country includes 760 who do not use the Internet. Construct a 95%…

A: Given that n=5005 X- Student who do not use internet - 760

Q: Research has shown at 55% of subscribers share their password with someone outside of their…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Assuming I am given a significance level of 0.01. After calculating my p-value, it was between 0.020…

A: The significance level is 0.01.

Q: Explain how each of these factors influence the power of a hypothesis test: (increase, decrease, no…

A: Using the Concept of confidence interval, type I error and type II error.

Q: A sample score of n=9 is randomly selected from a population with a population mean of 50 and a…

A: GIVEN DATA,n=9μ=50σ=24M=80z score =? 80-

Q: 3. The Dean of the College of Engineering of UPang undertakes a study to relate the starting salary…

A: Pearson product moment orrelation coefficient are user to measure the linear relationship between…

Q: For a population with µ = 32 and σ = 2, what is the z-score corresponding to X = 33?​

A: given data  μ = 32σ= 2 x= 33z = ?

Q: A home improvement company is interested in improving customer satisfaction rate from the 54%…

A: Givenclaim is that the customer satisfaction rate is different than 54% of company claimsample…

Q: During the last few days M Oil Company has requested rate increases several times. As a result of…

A: When number of data points are even,  median is calculated by the formula  median=(n2)th+(n2+1)th2

Q: X 1 2 3 4 5 6 Pr(X=x) 0.1 0.3 0.25 0.05 0.15 0.15 e.  In case someone rolls a number smaller than,…

A:

Q: What proportion of variance in husband height is predictable from wife height? What proportion of…

A: Given that rXY=0.32 The proportion of variance in husband height is predictable from wife height is,…

Q: Student/PlayerHomework.aspx?homeworkld-628901165&questionid-1&flushed-false&cid-70228498centerwin-ye…

A: Given: Sample-1: n1 = 21 X1 = 18.3 s1 = 4.1 Sample-2: n2 = 21 X2 = 14.7 s2 = 4.5 Formula Used:…

Q: The following information is available for two samples selected from independent normally…

A: Given  For A : n=13, S2=63.2  For B: n=16, S2=17.5

Q: Find the indicated value. (Find the Critical Value Z-score such that the given area falls to the…

A: Given that  Alpha=0.36  we have to find the critical value of Z score that given area falls to the…

Q: Suppose there’s a sample of 25 observations with a sample standard deviation of 4. What is the…

A: Given that  Sample size n =25 Sample standard deviation =4

Q: For each of the following hypotheses, identify which statistical test we could run in order to…

A: As per our guidelines, I can solve only first 3 subparts. Kindly post the remaining subparts again…

Q: Use the following information from a multiple regression analysis to complete parts (a) through (c)…

A:

Q: Suppose X-N(5,1), find: (a) P(X < 2.5) (b) P(X ≥ 4.6) (c) P(|X| ≥ 3)

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

A: The sample size is 10. The sample mean is 118. The sample standard deviation is 11. We have to test…

Q: Find the following using the standard normal distribution table.  Sketch the area under        area…

A: Standard normal distribution is a special case of normal distribution.The standard normal variable…

Q: standard deviation 0.9 minute. What proportion of the time does Mrs. Starnes finish an easy Sudoku…

A: It is given that  Mean, μ = 5.3 Standard deviation, σ = 0.9

Q: Find a value of c so that P(Z ≤ c) = 0.54.

A: Know that    X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: 25) Find the area of the indicated region under the standard normal curve. -1.13 O 2.03

A: Required probability is P(Z&lt;-1.13 or Z&gt;2.03)

Q: For the image below, what would you input into the graphing calculator function to find the…

A: Answer: - Given, A standard normal curve                 Find P(Z &gt; -0.92) = ?

Q: uppose X and Y are independent random variables. If the pdf of x is xe ",x ≥ 0 and the pdf of y is…

A: Solution

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: From the provided information, it is interpreted that: sample size, n=109no. of success, x=34

Q: In how many ways can the letters of the word "KATHI" be arranged? Show work. A committee of 3 is to…

A: d) The word is given as “KATHI”.

Q: Interpret the OLS coefficients (intercept and slope coefficients). When doing it, make sure to…

A: Given Information: Consider the given output that shows the regression results

Q: Tom scored a 117 on a measure of math ability and a 41 on a measure of verbal ability. The means and…

A:

Q: 6

A:

Q: A sales manager for a large department store believes that customer spending per visit with a sale…

A: given Level of significance ɑ=0.01, df=328

Q: ms 1 and 2, draw/sketch a scatter plot that represents the data. Then use your calculator to find…

A: Given: Age (x) Number of words (y) 1 15 2 220 3 540 4 1100 5 2100 6 2600 3 730…