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The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X = percent of fat calories.
A. Give the distribution of X.
B. Find the probability that the percent of fat calories a person consumes is more than 41. (Round your answer to four decimal places.)
C. Find the maximum number for the lower quarter of percent of fat calories. (Round your answer to two decimal places.)
Sagot :
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