A sample of 48 observations is selected from a normal population. The sample mean is 22,...
A sample of 48 observations is selected from a normal population. The sample mean is 22, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level.
H0: μ ≤ 21
H1: μ > 21
What is the p-value? (Round your answer to 4 decimal places.)
Homework Answers
Z test statistic formula
=1.155
P value = 0.1240....................by using Z table or by using Excel command =1-NORMSDIST(1.155)
Fail to reject H0 at 
..............................Since, 0.1240 > 0.05
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A sample of 48 observations is selected from a normal
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