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Mathematics, 05.05.2020 22:39 nataliajaquez02
A sports statistician claim that the mean winning times for boston marathon women's open division champions is at least 2.68 hours. the mean winning time of a sample of 30 randomly selected boston marathon women's open division champions is 2.60 hours. assume the population standard deviation is 0.32 hours. at the 5% level of significance can you reject the claim? use the p-value approach.
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