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An unknown distribution has a mean of 90and a standard deviation of 15.Samples of size n =25are drawn randomly from the population. Find the probabilitythat

An unknown distribution has a mean of 90and a standard deviation of 15.Samples of size n =25are drawn randomly from the population.

Find the probabilitythat thesample meanis between 85 and 92. Enter the answer in four decimal places.

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