the heights of 18 year old men are approximately normally distributed with mean of 68 inches and standard deviation 3 in

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answerhappygod
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the heights of 18 year old men are approximately normally distributed with mean of 68 inches and standard deviation 3 in

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the heights of 18 year old men are approximately normally
distributed with mean of 68 inches and standard deviation 3 inches.
What is the probability that the average height of a sample of
twenty 18 year old men will be less than 69 inches
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