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Height is normally distributed with a mean of 68 inches and a standard deviation of 3 inches. Given the data above, If 9 people were

Height is normally distributed with a mean of 68 inches and a standard deviation of 3 inches. Given the data above, If 9 people were randomly chosen, what is the probability that their average height would be over 70 inches (0.##)?

I get .022751

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