Statistics 8.2

Question

Identify the type I error and the type II error that corresponds to the given hypothesis.

The proportion of settled medical malpractice suits is 0.32.

 

Which of the following is a type I error?

 

A.Reject the claim that the proportion of settled malpractice suits is 0.32 when the proportion is actually 0.32.

 

B.Reject the claim that the proportion of settled malpractice suits is 0.32 when the proportion is actually different from 0.32.

 

C. Fail to reject the claim that the proportion of settled malpractice suits is 0.32 when the proportion is actually different from 0.32.

 

D. Fail to reject the claim that the proportion of settled malpractice suits is 0.32 when the proportion is actually 0.32.

Answer 1

type 1 is rejecting a true null hypothesis, a false positive like finding an innocent defendant guilty, null hypothesis is he's not guilty (presumed innocent)

1st option A) is correct

type 2 is failing to reject a false null hypothesis: a false negative like finding a guilty defendant not guilty