A national organization has been working with utilities throughout the nation to

Question

A national organization has been working with utilities throughout the nation to find sites for large wind machines that generate electricity. Wind speeds must average more than 10 miles per hour (mph) for a site to be acceptable. Recently, the organization conducted wind speed tests at a particular site. To determine whether the site meets the organization's requirements, consider the test, H0: =10 vs. Ha: >10, where is the true mean wind speed at the site and =0.10. Suppose the observed significance level (p-value) of the test is calculated to be .p=0.3290. Interpret this result.

A.We are 67.1% confident that =10.

B.The probability of rejecting the null hypothesis is 0.3290

C.Since the p-value exceeds =0. 10, there is insufficient evidence to reject the null hypothesis.

D.Since the p-value greatly exceeds =0. 10, there is strong evidence to reject the null hypothesis.

Explanation / Answer

C.Since the p -value exceeds =0. 10, there is insufficient evidence to reject the null hypothesis.

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