Question

A newsletter publisher believes that over 43% of their readers own a Rolls Royce. For marketing purposes, a potential advertiser wants to confirm this claim. After performing a test at the 0.05 level of significance, the advertiser failed to reject the null hypothesis. What is the conclusion regarding the publisher's claim?

A. There is sufficient evidence at the 0.5 level of significance that the percentage is over 43%.

B. There is not sufficient evidence at the 0.5 level of significance to say that the percentage is over 43%.

Answer 1

Here

Ho : p = 0.43

H1 : p > 0.43

And the advertiser failed to reject the null hypothesis then the conclusion is

B. There is not sufficient evidence at the 0.5 level of significance to say that the percentage is over 43%.