A business school claims that students who complete a 3-month typing course can type, on average, at
Question:
a. Suppose the probability of making a Type I error is selected to be zero. Can you conclude that the claim of the business school is true? Answer without performing the five steps of a test of hypothesis.
b. Using a 5% significance level, can you conclude that the claim of the business school is true? Use both approaches.
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