haining Time: 34 minutes, 46 seconds. estion Completion Status: .. QUESTION 5 A special cable has...

Transcribed Image Text:

haining Time: 34 minutes, 46 seconds. estion Completion Status: .. QUESTION 5 A special cable has a mean breaking strength of 931 pounds. The standard deviation of the population is 560 pounds. A researcher selects a sample of 49 cables with a mean of 1131 pounds. Can one reject the claim that the mean breaking strength is at most 931 pounds? Use the 0.01 level of significance and the P- Value method. a.) Hypotheses: Ho: Ha: b.) Calculate the test statistic: c.) Find the P-Value: d.) Decision: e.) Conclusion: Click Save and Submit to save and submit. Click Save All Answers to save all answers. C % n 54 # 3 e DELL d g h j Save L P X C V b > n m alt ct du/webapps/assessment/take/launch.jsp?course_assessment_id=_2541777_1 Remaining Time: 34 minutes, 24 seconds. Question Completion Status: 1. a. Ho: = 931 Ha: < 931 b. z = 0.25 c. p = 0.062 d. fail to reject HO e. enough evidence to support the claim O2. a. Ho: = 931 Ha: u < 931 b. z = 2.05 c. p = 0. 00062 d. fail to reject HO e. Not enough evidence to reject Ho 03. a. Ho: us 931 Ha: p > 931 b. z = 2.50 c. p = 0.0062 d. Reject HO e. There is enough evidence to reject the claim 4. a. Ho: 931 b. Ha: < 931 b. z = 2.05 d. reject HO e. Not enough evidence to support the claim Click Save and Submit to save and submit. Click Save All Answers to save all answe c. p = 0.62 ^ C 54 #3 DELL 95 A & 6 haining Time: 34 minutes, 46 seconds. estion Completion Status: .. QUESTION 5 A special cable has a mean breaking strength of 931 pounds. The standard deviation of the population is 560 pounds. A researcher selects a sample of 49 cables with a mean of 1131 pounds. Can one reject the claim that the mean breaking strength is at most 931 pounds? Use the 0.01 level of significance and the P- Value method. a.) Hypotheses: Ho: Ha: b.) Calculate the test statistic: c.) Find the P-Value: d.) Decision: e.) Conclusion: Click Save and Submit to save and submit. Click Save All Answers to save all answers. C % n 54 # 3 e DELL d g h j Save L P X C V b > n m alt ct du/webapps/assessment/take/launch.jsp?course_assessment_id=_2541777_1 Remaining Time: 34 minutes, 24 seconds. Question Completion Status: 1. a. Ho: = 931 Ha: < 931 b. z = 0.25 c. p = 0.062 d. fail to reject HO e. enough evidence to support the claim O2. a. Ho: = 931 Ha: u < 931 b. z = 2.05 c. p = 0. 00062 d. fail to reject HO e. Not enough evidence to reject Ho 03. a. Ho: us 931 Ha: p > 931 b. z = 2.50 c. p = 0.0062 d. Reject HO e. There is enough evidence to reject the claim 4. a. Ho: 931 b. Ha: < 931 b. z = 2.05 d. reject HO e. Not enough evidence to support the claim Click Save and Submit to save and submit. Click Save All Answers to save all answe c. p = 0.62 ^ C 54 #3 DELL 95 A & 6