Mathematics, 25.11.2019 19:31, stephaniero6
Arandom sample of fifty dash nine 200-meter swims has a mean time of 3.734 minutes. the population standard deviation is 0.070 minutes. a 90% confidence interval for the population mean time is (3.719 comma 3.749 ). construct a 90% confidence interval for the population mean time using a population standard deviation of 0.03 minutes. which confidence interval is wider? explain.
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Arandom sample of fifty dash nine 200-meter swims has a mean time of 3.734 minutes. the population s...
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