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For the population of adult males in the United States, the distribution of weights is approximately normal with mean Jl = 172.2 pounds and standard

For the population of adult males in the United States, the distribution of weights is

approximately normal with mean Jl = 172.2 pounds and standard deviation

a= 29.8 pounds.

(d) Suppose that you select a single random sample of size 25 and find that the mean weight for

the men in the sample is x = 190 pounds. How likely is this result? What would you conclude?

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