Use a​ t-test to 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≠26​; α=0.05     Sample​ statistics: x=23.2​, s=4.7​, n=14 What are the null and alternative​ hypotheses? Choose the correct answer below.     A. H0​:μ≥26 Ha​:μ<26   B. H0​:μ=26 Ha​:μ≠26   C. H0​:μ≠26 Ha​:μ=26   D. H0​:μ≤26 Ha​:μ>26   The standardized test statistic is = ​(Round to two decimal places as​ needed.) What is the​ P-value of the test​ statistic? P=            Round to three decimal places as​ needed.)   Decide whether to reject or fail to reject the null hypothesis.     A. Reject H0. There is enough evidence to support the claim.   B. Fail to reject H0. There is enough evidence to support the claim.   C. Reject H0. There is not enough evidence to support the claim.   D. Fail to reject H0. There is not enough evidence to support the claim.

Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: µ = 52,500; a = 0.05 Sample statistics: x= 53,637, s= 2400, n = 18 Click the icon to view the t-distribution table. What are the null and alternative hypotheses? Choose the correct answer below. Ο Α. Hρ μ= 52,500 Hai µ#52,500 B. Ho: µ+ 52,500 Hai µ = 52,500 O C. H μ 52,500 Ha: µ 52,500 What is the value of the standardized test statistic? The standardized test statistic is |. (Round to two decimal places as needed.) What is(are) the critical value(s)? The critical value(s) is(are) (Round to three decimal places as needed. Use a comma to separate answers as needed.) Decide whether to reject or fail to reject the null hypothesis. O A. Reject Ho. There is enough evidence to reject the claim. O B. Fail to reject Ho. There is enough evidence to reject the claim. Click to select your answer(s).

Use a​ t-test to 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≠29​; α=0.05     Sample​ statistics: x=26.1​, s=4.6​, n=10 What are the null and alternative​ hypotheses? Choose the correct answer below.     A. H0​: μ≥29 Ha​: μ<29   B. H0​: μ=29 Ha​: μ≠29   C. H0​: μ≠29 Ha​: μ=29   D. H0​: μ≤29 Ha​: μ>29 What is the value of the standardized test​ statistic?   The standardized test statistic is nothing. ​(Round to two decimal places as​ needed.) What is the​ P-value of the test​ statistic?   ​P-value=nothing ​(Round to three decimal places as​ needed.) Decide whether to reject or fail to reject the null hypothesis.     A. Reject H0. There is not enough evidence to support the claim.   B. Reject H0. There is enough evidence to support the claim.   C. Fail to reject H0. There is not enough…

A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, μ, of the normal population from which the sample was drawn. H0: μ ≤ 2.85,  Ha: μ > 2.85, x = 3.26, s = 0.55, n = 9, α = 0.05

Use a​ t-test to 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=52,500​; α=0.10     Sample​ statistics: x=52,691​, s=1900​, n=17   LOADING... Click the icon to view the​ t-distribution table. What are the null and alternative​ hypotheses? Choose the correct answer below.     A. H0​: μ≠52,500 Ha​: μ=52,500   B. H0​: μ≤52,500 Ha​: μ>52,500   C. H0​: μ=52,500 Ha​: μ≠52,500   D. H0​: μ≥52,500 Ha​: μ<52,500 What is the value of the standardized test​ statistic?   The standardized test statistic is nothing. ​(Round to two decimal places as​ needed.) What​ is(are) the critical​ value(s)?   The critical​ value(s) is(are) nothing. ​(Round to three decimal places as needed. Use a comma to separate answers as​ needed.) Decide whether to reject or fail to reject the null hypothesis.     A. Fail to reject H0.…

Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u = 52,600, a = 0.10 Sample statistics: x = 52,489, s = 1400, n = 19 Click the icon to view the t-distribution table. What are the null and alternative hypotheses? Choose the correct answer below. O A. H, ps52,600 H, p> 52,600 B. H, =52,600 H, p#52,600 OC H, p252.600 H, p<52,600 O D. H, p 52, 600 H, p= 52,600 What is the value of the standardized test statistic? The standardized test statistic is Round to two decimal places as needed.)

3. Use technology and a​ t-test to 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>75​; α=0.10     Sample​ statistics: x=76.4​, s=2.9​, n=24   a. The standardized test statistic is   ​(Round to two decimal places as​ needed.)   b. What is the​ P-value of the test​ statistic?   ​P-value= ​(Round to three decimal places as​ needed.)  c. Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.     A. Fail to reject H0. There is not enough evidence to support the claim.   B. Reject H0. There is enough evidence to support the claim.   C. Fail to reject H0. There is enough evidence to support the claim.   D. Reject H0. There is not enough evidence to support the claim.

Use a t-test to test the claim about the population mean μ at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: μ #25; x = 0.01 Sample statistics: x= 28.7, s=4.9, n = 13 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho: H=25 H₂: μ#25 OB. Ho: H≤25 H₂: μ>25 O C. Ho: μ ≥25 H₂: μ<25 O D. Ho: μ#25 H₂:μ=25 What is the value of the standardized test statistic? The standardized test statistic is (Round to two decimal places as needed.) What is the P-value of the test statistic? P-value= (Round to three decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis. O A. Fail to reject Ho. There is not enough evidence to support the claim. OB. Reject Ho. There is not enough evidence to support the claim. O C. Fail to reject Ho. There is enough evidence to support the claim. OD. Reject Ho. There is enough evidence to support the claim.