A Type II error is the probability of failing to reject a ...

[jerry coleman]

A Type II error is the probability of failing to reject a ___________________ _. It is represented by the Greek letter ___________________ _.
  Indicate whether the statement is true or false

Question 2

The power of a test is the probability of making:
 a. a correct decision when the null hypothesis is false.
  b. a correct decision when the null hypothesis is true.
  c. an incorrect decision when the null hypothesis is false.
  d. an incorrect decision when the null hypothesis is true.

[peilian]

Answer to Question 1

false null hypothesis; beta

Answer to Question 2

A