Lazurus Steel Corporation produces iron rods that are supposed to be 36 inches long. The machine that
Question:
a. Calculate the p-value for this test of hypothesis. Based on this p-value, will the quality control inspector decide to stop the machine and adjust it if he chooses the maximum probability of a Type I error to be .02? What if the maximum probability of a Type I error is .10?
b. Test the hypothesis of part a using the critical-value approach and α = .02. Does the machine need to be adjusted? What if α = .10?
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a Step 1 H 0 36 inches H 1 36 inches Step 2 Since the population is normally distributed a...View the full answer
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