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1) The percent of fat calories that a person consumes each day is normally distributed with...

1) The percent of fat calories that a person consumes each day is normally distributed with a mean of 36 and a standard deviation of 10. Suppose that 9 individuals are randomly chosen. Let X = average percent of fat calories.

(a) For the group of 9, find the probability that the average percent of fat calories consumed is more than thirty-seven. (Round your answer to four decimal places.)


b) Find the first quartile for the average percent of fat calories. (Round your answer to two decimal places.)
percent of fat calories

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