For the Following Hypothesis Test, H_o $\mu$ = 150
H_a $\mu$ < 150
the Test Statistic
A)must Be Negative
B)must Be

For the following hypothesis test, H_o: $\mu$ = 150
H_a: $\mu$ < 150
The test statistic

A) must be negative
B) must be positive
C) can be either negative or positive
D) must be a number between zero and 1