Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance & using the given sample statistics.Claim: p = 0.29; x = 0.10; Sample statistics: p = 0.25, n = 100Can the normal sampling distribution be used?A. Yes, because pq is greater than α = 0.10.B. No, because np is less than 5.C. Yes, because both np and nq are greater than or equal to 5.D. No, because nq is less than 5.State the null and alternative hypotheses.A. Ho: p≤0.29Ha: p>0.29B. Ho: p = 0.29Ha: p = 0.29C. Ho: p≥ 0.29Ha: p<0.29D. The test cannot be performed.Determine the critical value(s). Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A. The critical value(s) is/are(Round to two decimal places as needed. Use a comma to separate answers as needed.)B. The test cannot be performed.Find the z-test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A. Z=(Round to two decimal places as needed.)B. The test cannot be performed.

Given: n = 100 p^ = 0.25 P = 0.29 α = 0.05 Formula Used: Test-statistic Z = p^-PP(1-P)n

Answered: Decide whether the normal sampling…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A. MULTIPLE CHOICE Directions: Write the letter of the correct answer on the space provided before each number. 1. For any hypothesis test, p-value = probability of committing a a. Type III error c. Type IV error b. Typel error d. Type II error 2. Which of the following is the standard deviation of the sample proportions? Po a. √pq C. n 90 Poqo b. d. n 3. For a z-test of proportions, which of the following is the rejection region for a two-tailed test? a. z> za or z>-Za C. Z -Za b. z>-Za/2 or z > Za/2 d. z Za/2 4. If po 0.48, what is go? c. 0.52 c. 0.48 d. 0.82 d. 0.62 5. In a test of Ho: μ = 100 against Ho : µ > 100, the sample data yielded the sample statistic z = 2.15. What is the p-value for the test. a. 0.0158 c. 0.0157 b. 0.0159 d. 0.0160
According to one study, brain weights of men are normally distributed with a mean of 1.10 kg and a standard deviation of 0.12 kg. Use the data to answer parts (a) through (e). Click here to view page 1 of the table of areas under the standard normal curve. Click here to view page 2 of the table of areas under the standard normal curve. a. Determine the sampling distribution of the sample mean for samples of size 3. Interpret your answer in terms of the distribution of all possible sample mean brain weights for samples of three men. The mean of the sample mean is µ, kg. (Type an integer or a decimal. Do not round.) The standard deviation of the sample mean is o, = kg. (Round to four decimal places as needed.) Interpret these answers in context. For the brain weights have a normal distribution with a mean of kg and a standard deviation of kg. (Type integers or decimals rounded to four decimal places as needed.) b. Repeat part (a) for samples of size 12. The mean of the sample mean is µ;…
Use technology to help you test the claim about the population mean, u, at the given level of significance, a, using the given sample statistics. Assume the population is nomally distributed. Claim: u> 1230; a = 0.03; o = 209.07. Sample statistics: x= 1251.28, n 250 O A. H,: µ2 1251.28 Hg: µ 1230 Hg: us 1230 O C. Ho us 1251.28 Ha: u> 1251.28 D. Ho: us 1230 Ha: p> 1230 Ο Ε Η : μ2 1230 OF. Ho: u>1251.28 Ha: µ<1230 H3: µS 1251.28 Calculate the standardized test statistic. The standardized test statistic is 1.61. (Round to two decimal places as needed.) Determine the P-value. P= 0.0537 (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. Fail to reject Ho: At the 3% significance level, there is enough evidence to support the claim.
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Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance α using the given sample statistics. Claim: p≠0.28; α=0.01; Sample statistics: p=0.24, n=100 (Find Critical Values) (Find Standardized Test Statistic)
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance a using the given sample statistics. Claim: p 0.29; a = 0.10; Sample statistics: p= 0.23, n= 100 B. The test cannot be performed. Find the z-test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. z= (Round to two decimal places as needed.) O B. The test cannot be performed.
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1230; α=0.09; σ=203.58.Sample statistics: x=1255.28, n=275 A. Calculate the standardized statistic B. Determine P value C. Determine the outcome and conclusion of the test Please show me how you solved the problem.
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Decide whether the normal sampling distribution can be used, If it can be used, test the claim about the population proportion p at the given level of significance a using the given sample statistics. Claim: p#0.25, a=0.05; Sample statistics: p=0.22, n= 200 Can the normal sampling distribution be used? O A. No, because np is less than 5 O B. Yes, because pg is greater than a=0,05. O C. No, because ng is less than 5. O D. Yes, because both np and ng are greater than or equal to 5. State the null and alternative hypotheses. O A. Ho p20.25 H3 p0.25 O D. The test cannot be performed. Determine the critical value(s). Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The critical value(s) is/are (Round to two decimal places as needed. Use a comma to separate answers as needed.)

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