In a One-Tail Test for the Population Mean,if the Null

Multiple Choice

In a one-tail test for the population mean,if the null hypothesis is not rejected when the alternative hypothesis is true then:

A) a Type I error is committed.
B) a Type II error is committed.
C) a one-tail test should be used instead of a two-tail test.
D) a two-tail test should be used instead of a one-tail test.