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

Short Answer

In a one-tail test for the population mean, if the null hypothesis is not rejected when the alternative hypothesis is true: $\begin{array}{|l|l|}\hline A.&\text { a Type I error is committed.}\\\hline B.&\text {a Type II error is committed. }\\\hline C.&\text {a correct decision is made. }\\\hline D.&\text { a two-tail test should be used instead of a one-tail test.}\\\hline \end{array}$