Claim: u> 1300; a = 0.03; 6 = 204.53. Sample statistics: x = 1317.19, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H2 1317.19 Ha: H<1317.19 B. Ho: H> 1300 Ha: us 1300 D. Ho: H> 1317.19 Hai us 1317.19 Oc. Hρ: με 1300 Ha: H< 1300 O E. Ho: Hs 1317.19 F. Ho: Hs 1300 Ha: H> 1300 Ha: H> 1317.19 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.)

Use technology to help you test the claim about the population mean, , at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: u> 1240; a = 0.09; o = 208.13. Sample statistics: x= 1267.96, n= 300 O E. Ho: us 1267.96 O F. Ho µ> 1267.96 Ha p> 1267.96 Ha µs 1267.96 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value. P = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. V Ho. At the 9% significance level, there V enough evidence to the claim.

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 normally distributed. Claim: us1160; a= 0.08; o = 198.07. Sample statistics: x = 1182.77, n = 275 %3D Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u> 1160 Hai HS1160 O B. Ho: p21182.77 HgiH 1160 O D. Ho: us1182.77 Ha:u> 1182.77 O E. Ho: u21160 Ha: µ1182.77 H3: µs 1182.77 Calculate the standardized test statistic. The standardized test statistic is. (Round to two decimal places as needed.) Determine the P-value. = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. enough evidence to Vthe claim. Ho. At the 8% significance level, there

Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: u#6000; a = 0.05; o = 331. Sample statistics: x = 6200, n = 47 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H#6000 B. Ho: µs 6000 Hai H2 6000 Ha: H# 6000 O C. Ho: H26000 O D. Ho: H = 6000 %3D Ha: H6000 Ha: u +6000 O E. Ho: H#6000 O F. Ho: µ#6000 Ha:H= 6000 Ha: H5 6000

Use technology to help you 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: u> 1150; a = 0.08; ở = 198.94. Sample statistics: x = 1176.49, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: us1150 O B. Ho: Hs1176.49 Ha:H>1150 Ha: H>1176.49 O C. Ho: H>1176.49 Ha: HS1176.49 O D. Ho: μ21176.49 H3: H1150 Ha:H<1150 Hg: H51150 Determine the P-value. P = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. V Ho. At the 8% significance level, there V enough evidence to V the claim. Click to select your answer(s). 3,257 1,732 DEC 8. Ps

Find the standardized test statistic t for a sample with n = 25, x = 26, s = 3, and a = 0.005 if Ha: H>25. Round your answer to two decimal pla 0000 А. 1.67 B. 2.00 с. 1.24 D. 1.45

Use technology to help you 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: u> 1290; a= 0.03; o = 196.18. Sample statistics: x= 1310.04, n= 200 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u2 1290 O B. Ho: u>1310.04 Ha: H 1310.04 Hap> 1290 Ο Ε. Ho με 1310.04 F. Ho: u> 1290 Ha: H< 1310.04 Ha us1290

What are the population parameters? Pick one:          The difference in the sample sizes           The difference in the two sample means           The mean time spent for all test-takers before and after tutoring           The mean time spent for all test-takers before and after tutoring combined   Does sufficient or insufficient evidence exist?

Please help with part e

Use technology and a t-test to test the claim about the population mean at the given level of significance a using the given sample statistics. Assume the population is normally distributed Claim: u > 78; a = 0.01 Sample statistics: × = 79.3, s = 3.6, n = 28 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho: M = 78 H: 4*78 О c. Ha: u₴78 Hai n< 78 OB. H: 4478 H: M=78 O D. H: 4 s78 H: 4>78   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. Choose the correct answer below.