Mathematics, 09.12.2021 15:10 Luciano3202
Each member of a random sample of 20 business economists was asked to predict the rate of inflation for the coming year. Assume that the predictions for the whole population of business economists follow a normal distribution with standard deviation 2%. Find any pair of values such that the probability that the sample standard deviation lies between these values is 0.90.
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Each member of a random sample of 20 business economists was asked to predict the rate of inflation...
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