If the null and alternative hypotheses are $$\begin{aligned}
& H_{0}: \mu=80 \
& \mathrm{H}_{A}: \mu80
\end{aligned}$$
Then the area of rejection for the null hypothesis is
A) to the left.
B) to the right.
C) split into two parts in both directions.
D) cannot be determined from the given information.

Question

If the null and alternative hypotheses are $$\begin{aligned}
& H_{0}: \mu=80 \
& \mathrm{H}_{A}: \mu>80
\end{aligned}$$
Then the area of rejection for the null hypothesis is
A) to the left.
B) to the right.
C) split into two parts in both directions.
D) cannot be determined from the given information.

Quizplus · Accepted Answer

The Answer is B

If the Null and Alternative Hypotheses Are H0:μ=80HA:μ>80\begin{aligned}& H_{0}: \mu=80 \\& \mathrm{H}_{A}: \mu>80\end{aligned}​H0​:μ=80HA​:μ>80​

If the Null and Alternative Hypotheses Are $\begin{aligned}& H_{0}: \mu=80 \\& \mathrm{H}_{A}: \mu>80\end{aligned}$