A Test Of $H _ { 0 } : \mu = 42$

Multiple Choice

A test of $H _ { 0 } : \mu = 42$ versus $H _ { 1 } : \mu < 42$ is performed using a significance level of $\alpha = 0.05$ . The value of the test statistic is $z = - 1.47$ . Is $H _ { 0 }$ rejected?

A) No
B) Yes
C) It cannot be determined.