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Find a 95% confidence interval for the mean weight

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Find a 95% confidence interval for the mean weight of the population of all such runners, assuming that the population standard deviation is o=4.5 kg. Based on the confidence interval, does a test of Ho: u=61.3kg, Ha: u =/ 61.3kg

reject Ho at the 5% significance level?

Reference no: EM13519480

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