1st Edition

ISBN: 9781938168208

Author: Barbara Illowsky, Susan Dean

Publisher: OpenStax College

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Textbook Question

Chapter 4, Problem 98H

Approximately 8% of students at a local high school participate in after-school sports all four years of high school. A group of 60 seniors is randomly chosen. Of interest is the number who participated in after-school sports all four ears of high school.

a. In words, define the random variable X.

b. List the values that X may take on.

c. Give the distribution of X. X _____( )

d. How many seniors are expected to have participated in after-school sports all four eazs of high school?

e. Based on numerical values, would you be surprised if none of the seniors participated In after-school sports all four ears of high school? Justify your answer numerically.

f. Based upon numerical values, is it more likely that four or that five of the seniors participated In after-school sports all four years of high school? Justify your answer numerically.

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Chapter 4, Problem 97H

Chapter 4, Problem 99H

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