Test: Chapter 7 Exam Submit Test This Question: 1 pt 21 of 26 (0 complete) This

Question

Test: Chapter 7 Exam Submit Test This Question: 1 pt 21 of 26 (0 complete) This Test: 26 pts possibl Test the dam about the population mean, , at the given level of significance using the given sample statistics. Claim: #5000: =0.03; =391. Sample statistics: x: 4600, n = 41 dentify the null and altenative hypotheses. Choose the correct answer below Ha : #5000 Ho: #5000 Hai 25000 Ho: #5000 Ha: Hs5000 Ha: #5000 O c. Ha : #5000 Ho: # 5000 Ha: -5000 OE. OF. Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. Round to two decimal places as needed.) B. The critical values are ± Determine the outcome and conclusion of the test. Choose from the following 0 A. Fail to reject Ho. At the 3% significance level, there is not enough evidence to reject the claim. O B. Fail to reject Ho. At the 3% significance level, there is not enough evidence to support the claim.

Explanation / Answer

21)

option D hypothesis

H0 : u = 5000

H1 : u 5000

Standardized test statistic =4600 - 5000 / [391/sqrt(41)] =   -6.55

option B, the critical values are +/- 2.17

option D, reject H0, there is enough evidence to support the claim

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