A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the .03 significance level. What is the p-value?
H0 : μ ≥ 220
H1 : μ < 220
H0 : μ ≥ 220
H1 : μ < 220
1 Answer
Mar 16, 2018
0.0038
Explanation: