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b. owns a smartphone c. is between 18 and 24 years old, given that he or she owns a smart- phone.

b. owns a smartphone c. is between 18 and 24 years old, given that he or she owns a smart- phone.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 2PT
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b. owns a smartphone c. is between 18 and 24 years old, given that he or she owns a smart- phone. d. Interpret your answers in parts (a)–(c) in terms of percentages.
Transcribed Image Text:b. owns a smartphone c. is between 18 and 24 years old, given that he or she owns a smart- phone. d. Interpret your answers in parts (a)–(c) in terms of percentages.
*42. Smartphone Ownership. The Pew Internet & American Life Project compiles data on smartphone ownership and publishes the results in the document Smartphone Ownership. The first two columns of the following table provide a percentage distribution for age of U.S. adults. The third column of the table shows the percentage of people in each age group who own a smartphone. Age group (years) Percentage of adults Percentage who own a smartphone 18–24 12.5 79 25–34 18.0 81 35-44 16.7 69 45–54 17.5 55 55–64 16.4 39 65+ 18.9 18 Suppose that a U.S. adult is selected at random. Determine the prob- ability that the person selected a. owns a smartphone, given that he or she is between 18 and 24 years old.
Transcribed Image Text:*42. Smartphone Ownership. The Pew Internet & American Life Project compiles data on smartphone ownership and publishes the results in the document Smartphone Ownership. The first two columns of the following table provide a percentage distribution for age of U.S. adults. The third column of the table shows the percentage of people in each age group who own a smartphone. Age group (years) Percentage of adults Percentage who own a smartphone 18–24 12.5 79 25–34 18.0 81 35-44 16.7 69 45–54 17.5 55 55–64 16.4 39 65+ 18.9 18 Suppose that a U.S. adult is selected at random. Determine the prob- ability that the person selected a. owns a smartphone, given that he or she is between 18 and 24 years old.
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