Repeat Exercise 9.64 assuming that the means are 140 and 138, respectively. In exercise 9.64 Suppose that
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Repeat Exercise 9.64 assuming that the means are 140 and 138, 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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