10. Waist circumference for adult men in the U.S. are normally distributed with mean 40.1 inches and standard deviation 14.1 inches. (a) Approximately 68% of adult men in the U.S. have waist circumferences between what two values? (b) What is the probability that a randomly selected adult man in the U.S. Has a waist circumference of greater than 38 inches? (c) What is the probability that a randomly selected sample of 16 adult men in the U.S. has a mean waist circumference of greater than 38 inches?

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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10. Waist circumference for adult men in the U.S. are normally distributed with mean 40.1 inches and
standard deviation 14.1 inches.
(a) Approximately 68% of adult men in the U.S. have waist circumferences between what two values?
(b) What is the probability that a randomly selected adult man in the U.S. Has a waist circumference of
greater than 38 inches?
(c) What is the probability that a randomly selected sample of 16 adult men in the U.S. has a mean waist
circumference of greater than 38 inches?
(d) 20% of adult men in the U.S. have a waist circumference of less than what value?
Transcribed Image Text:10. Waist circumference for adult men in the U.S. are normally distributed with mean 40.1 inches and standard deviation 14.1 inches. (a) Approximately 68% of adult men in the U.S. have waist circumferences between what two values? (b) What is the probability that a randomly selected adult man in the U.S. Has a waist circumference of greater than 38 inches? (c) What is the probability that a randomly selected sample of 16 adult men in the U.S. has a mean waist circumference of greater than 38 inches? (d) 20% of adult men in the U.S. have a waist circumference of less than what value?
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