A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 5%.Identify the Type II error in this context.
A)The error of rejecting the claim that the true proportion is at least 5% when it really is at least 5%.
B)The error of failing to reject the claim that the true proportion is at least 5% when it is actually less than 5%.
C)The error of accepting the claim that the true proportion is at least 5% when it really is at least 5%.
D)The error of rejecting the claim that the true proportion is less than 5% when it really is less than 5%.
E)The error of accepting the claim that the true proportion is at least 5% when it is actually less than 5%.

Question

Quizplus · Accepted Answer

A Type II error occurs when we fail to reject a false null hypothesis. In this context, it means failing to reject the claim that the true proportion is at least 5% when it is actually less than 5%.

A Skeptical Paranormal Researcher Claims That the Proportion of Americans