Question

In hypothesis testing, β is the probability of committing an error of Type II. The power of the test, 1 - β, is then:

A. the probability of failing to reject H0.
B. the probability of rejecting H0 when HA is true
C. the probability of failing to reject H0 when H0 is true
D.. the probability of failing to reject H0 when HA is true
E. the probability of rejecting H0 when H0 is true

Answer 1

B. The probability of rejecting H0 when HA is true.