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28. (7 points) A sample of 36 observations is selected from a normal population. The sample
mean is 49, and the population standard deviation is 5. Conduct the following hypothesis test
using the 0.05 significance level.
Ho: u = 50
H1: ul = 50
a. Is this a one or a two-tailed test?
b. What is the decision rule?
Reject Hoif:
c. What is the value of the test statistic?
d. What is your decision regarding Ho?
e. What is the p-value?
f. Interpret the p-value:

a) As the alternative hypothesis contains "not equal to sign" so this is a two tailed test. b) This is a one sample mean test... View the full answer

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