Question

A newsletter publisher believes that less than 71% of their readers own a laptop. For marketing purposes, a potential advertiser wants to confirm this claim. After performing a test at the 0.05 level of significance, the advertiser decides to reject the null hypothesis.

What is the conclusion regarding the publisher's claim?

A. There is sufficient evidence at the 0.05 level of significance that the percentage is less than 71%

B. There is not sufficient evidence at the 0.05 level of significance to say that the percentage is less than 71%

Answer 1

Solution :

Given that,

After performing a test at the 0.05 level of significance, the advertiser decides to reject

the null hypothesis.

The conclusion regarding the publisher's claim is :

There is sufficient evidence at the 0.05 level of significance that the percentage is less than 71% .

Option A)