Question

An online clothing company is concerned about the timeliness of their deliveries. The VP of Operations and Marketing recently stated that she wanted the percentage of products delivered on time to be greater than 90​%, and she wants to know if the company has succeeded. She tests the hypothesis that 90​% of the deliveries are on time against the alternative that greater than 90​% are on time and finds a​ P-value of 0.23.

Which of these conclusions is​ appropriate?

Choose the correct answer below.

A.​There's a 77​% chance that 90​% of the deliveries are on time.

B.​There's a 23​% chance that natural sampling variation could produce a sample with an observed proportion of​ on-time deliveries such as the one the VP obtained​ if, in​ fact, 90​% of deliveries are on time.

C.​There's a 23​% chance that 90​% of the deliveries are on time.

D.​There's a 23​% chance that the sample the VP drew shows the correct percentage of​ on-time deliveries.

Answer 1