Question

A sample of 73 observations is selected from a normal population. The sample mean is 43, and the population standard deviation is 8. Conduct the following test of hypothesis using the 0.10 significance level:

H₀: μ = 44

H₁: μ ≠ 44

a. Is this a one- or two-tailed test?

(Click to select)  One-tailed test  Two-tailed test

b. What is the decision rule?

Reject H₀ and accept H₁ when z does not lie in the region from  to  .

c. What is the value of the test statistic? (Negative answer should be indicated by a minus sign. Round the final answer to 2 decimal places.)

Value of the test statistic           

d. What is your decision regarding H₀?

(Click to select)  Fail to reject  Reject  H₀

e. What is the p-value? (Round the final answer to 4 decimal places.)

The p-value is             .

Answer 1