Question

Which of the following is an example of a null hypothesis? A. The average quantity of detergent put into a box by this filling machine is not 1 pound and this shipping company's average delivery time is different from 3 days. B. The thickness of aluminum sheets averages is not .03 inches, as required. C. This industrial process makes windshields with an average length of 33 inches. D. The average quantity of detergent put into a box by this filling machine is not 1 pound. E. This shipping company's average delivery time is different from 3 days.

Answer 1

C

Explanation:

Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis

A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim

B. This again is an example of alternate hypthesis. The claim that mean is 0.03 is rejected with the results

C. This is a claim

D. This is rejection of a claim that mean is 1 pound

E. This is rejection of claim that average delivery time is 3 days.