The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 35 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X=percent of fat calories. a. What is the distribution of X? X ~ N( ? , ? ) b. Find the probability that a randomly selected fat calorie percent is more than 38. Round to 4 decimal places. ? c. Find the minimum number for the upper quartile of fat calories. Round to 2 decimal places. ?

The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 35 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X=percent of fat calories. a. What is the distribution of X? X ~ N( ? , ? ) b. Find the probability that a randomly selected fat calorie percent is more than 38. Round to 4 decimal places. ? c. Find the minimum number for the upper quartile of fat calories. Round to 2 decimal places. ?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 35 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X=percent of fat calories.

a. What is the distribution of X? X ~ N( ? , ? )

b. Find the probability that a randomly selected fat calorie percent is more than 38. Round to 4 decimal places. ?

c. Find the minimum number for the upper quartile of fat calories. Round to 2 decimal places. ?

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