Repeat Exercise 9.64 assuming that the standard deviations are 12 and 16, respectively. In exercise 9.64 Suppose

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Repeat Exercise 9.64 assuming that the standard deviations are 12 and 16, respectively.

In exercise 9.64

Suppose that we have two normal populations with the means and standard deviations listed here. If random samples of size 25 are drawn from each population, what is the probability that the mean of sample 1 is greater than the mean of sample 2?

Population 1: μ = 40, σ = 6

Population 2: μ = 38, σ = 8

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