A Test Of $H _ { 0 } : \mu = 59$

Multiple Choice

A test of $H _ { 0 } : \mu = 59$ versus $H _ { 1 } : \mu < 59$ is performed using a significance level of $\alpha = 0.05$ . The value of the test statistic is $z = - 1.80$ .
If the true value of $\mu$ is 59 , does the conclusion result in a Type I error, a Type II error, or correct decision?

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