AP Statistics Quiz
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INFERENCE FOR QUANTITATIVE DATA: MEANS
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An online retailer wants to check whether the mean delivery time for a certain shipping option is 2 days. A random sample of 100 deliveries is selected, and a one-sample tt test is performed with H0:μ=2H_0:\mu=2 versus Ha:μ≠2H_a:\mu\ne 2 at α=0.05\alpha=0.05. The p-value is 0.58. What conclusion is appropriate?
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