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

Question

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

Quizplus · Accepted Answer

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

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