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One and Two Tailed Tests

Ho: u = 50
H1: u not = 50
The sample mean is 49, and the sample size is 36. the population standard deviation is 5. Use the .05 significance level.

a. Is this a one or two tailed test.
b. What is the decision rule?
c. What is the value of the test statistic?
d. What is your decision regarding Ho?
e. What is the p-value? Interpret it.

Solution Summary

This solution determines the type of test, the decision rule, value of test statistic, accept or reject null hypothesis, and the p-value. All formulas used are included.