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You measure the weights of a random sample of 25 male runners. The same mean is x = 60 kg.

You measure the weights of a random sample of 25 male runners. The same mean is x = 60 kg. Suppose that the mean weights of male runners follow a normal distribution with unknown mean u and standard deviation o = 5 kg. You compute 95% confidence interval for u.

What is the 95% confidence interval for u?

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