A psychologist claims that more than 2.2% of the population suffers from professional problems due to extreme shyness.Identify the Type II in this context.
A)The error of accepting the claim that the true proportion is more than 2.2% when it really is more than 2.2%.
B)The error of rejecting the claim that the true proportion is more than 2.2% when it really is more than 2.2%.
C)The error of rejecting the claim that the true proportion is at most 2.2% when it really is at most 2.2%.
D)The error of failing to reject the claim that the true proportion is at most 2.2% when it is actually more than 2.2%.
E)The error of failing to accept the claim that the true proportion is at most 2.2% when it is actually more than 2.2%.

Question

Quizplus · Accepted Answer

A Type II error occurs when the null hypothesis is not rejected when it is false. In this context, the null hypothesis would likely be that the true proportion is at most 2.2%. Failing to reject this claim when the true proportion is actually more than 2.2% is a Type II error.

A Psychologist Claims That More Than 2