Assume that a hypothesis test to support the given claim will be conducted. Identify the type I or type II error for the test.
-A psychologist claims that more than 2.4% of adults suffer from extreme shyness. Identify the type II error for the test.
A) Fail to reject the claim that the percentage of adults who suffer from extreme shyness is equal to 2.4% when that percentage is actually greater than 2.4%.
B) Reject the claim that the percentage of adults who suffer from extreme shyness is equal to 2.4% when that percentage is actually 2.4%.
C) Reject the claim that the percentage of adults who suffer from extreme shyness is equal to 2.4% when that percentage is actually greater than 2.4%.
D) Fail to reject the claim that the percentage of adults who suffer from extreme shyness is equal to 2.4% when that percentage is actually less than 2.4%.

Question

Quizplus · Accepted Answer

Type II error occurs when we fail to reject the null hypothesis when it is false. Here, it means failing to reject the claim that the percentage is 2.4% when it is actually greater.

Assume That a Hypothesis Test to Support the Given Claim