[All Steps] A sample of 64 observations is selected from a normal population. The sample mean is 215, and the sample standard deviation is 15. Conduct the following
Question: A sample of 64 observations is selected from a normal population. The sample mean is 215, and the sample standard deviation is 15. Conduct the following test using the 0.03 significance level.
\[\begin{aligned} & {{H}_{0}}:\mu \ge 220 \\ & {{H}_{A}}:\mu <220 \\ \end{aligned}\]
Deliverable: Word Document 
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