A sample of 32 observations is selected from a normal population. The sample mean is 66, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.10 significance level. H0: μ = 68 H1: μ ≠ 68 rev: 10_12_2016_QC_CS-65155 12. value: 1.00 points Required information
a. Is this a one- or two-tailed test?
b. What is the decision rule?
Reject H0 if z < -1.645 or z > 1.645
Reject H0 if -1.645 < z < 1.645
c. What is the value of the test statistic? (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
Value of the test statistic
d. What is your decision regarding H0?
Reject H0
Fail to reject H0
e. What is the p-value? (Round z value to 2 decimal places and final answer to 4 decimal places.)
p-value