a-company-advertises-that-at-least-7070-of-its-customers-are-satisfied-with-thei

Question

A company advertises that at least 70%70\% of its customers are satisfied with their service. In a survey of 150150 customers, 9999 say they are satisfied. Which of the following is the correct null hypothesis for testing the company's claim?

Accepted Answer

H0:p≥0.70H_0:p\ge0.70

Answer

0.70"\u003eH0:p\u003e0.70H_0:p\u003e0.70

Answer

H0:p=0.30H_0:p=0.30

Answer

H0:p0.70H_0:p