A highway construction zone has a posted speed limit of 40 miles per hour. Workers working at
Question:
a. Do you think the sample information is consistent with the workers’ claim? Use α = .025.
b. What is the Type I error in this case? Explain. What is the probability of making this error?
c. Will your conclusion of part a change if the probability of making a Type I error is zero?
d. Find the p-value for the test of part a. What is your decision if α = .025?
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