Determine Whether the Outcome Is a Type I Error, a Type

Multiple Choice

Determine whether the outcome is a Type I error, a Type II error, or a correct decision. A test is made of $H _ { 0 } : \mu = 40$ versus $H _ { 1 } : \mu \neq 40$ . The true value of $\mu$ is 40 and rejected.

A) Type II error
B) Type I error
C) Correct decision