Answer 0.936 Explanation Given: According to a Casino FYI survey, 6.4 % of U.S. adults admitted to having spent money gambling online. A U.S. adult is randomly selected. Formula Used: P ( E ) = 1 − P ( E ¯ ) Calculation: P ( E ) = 1 − P ( E ¯ ) P ( n e v e r g a m b l e d o n l i n e ) = 1 − P ( g a m b l e d o n l i n e ) P ( n e v e r g a m b l e d o n l i n e ) = 6.4 % = 6.4 100 = .064 P ( n e v e r g a m b l e d o n l i n e ) = 1 − .064 P ( n e v e r g a m b l e d o n l i n e ) = 0.936

Precalculus Enhanced with Graphing Utilities

6th Edition

ISBN: 9780321795465

Author: Michael Sullivan, Michael III Sullivan

Publisher: PEARSON

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Question

Chapter 13.3, Problem 55AYU

To determine

To find: The probability that he or she has never spent any money gambling online.

Expert Solution & Answer

Answer to Problem 55AYU

$0.936$

Explanation of Solution

Given:

According to a Casino FYI survey, $6.4 %$ of U.S. adults admitted to having spent money gambling online. A U.S. adult is randomly selected.

Formula Used:

$P (E) = 1 - P (\bar{E})$

Calculation:

$P (E) = 1 - P (\bar{E})$

$P (n e v e r g a m b l e d o n l i n e) = 1 - P (g a m b l e d o n l i n e)$

$P (n e v e r g a m b l e d o n l i n e) = 6.4 % = \frac{6.4}{100} = .064$

$P (n e v e r g a m b l e d o n l i n e) = 1 - .064$

$P (n e v e r g a m b l e d o n l i n e) = 0.936$

Chapter 13.3, Problem 54AYU

Chapter 13.3, Problem 56AYU

Chapter 13 Solutions

Precalculus Enhanced with Graphing Utilities

Ch. 13.1 - Prob. 1AYU Ch. 13.1 - Prob. 2AYU Ch. 13.1 - True or false The intersection of two sets is...Ch. 13.1 - Prob. 4AYU Ch. 13.1 - Prob. 5AYU Ch. 13.1 - If the number of elements in a set is a...Ch. 13.1 - Prob. 7AYU Ch. 13.1 - True or False If a task consists of a sequence of...Ch. 13.1 - Prob. 9AYU Ch. 13.1 - Prob. 10AYU

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The probability that he or she has never spent any money gambling online.

Solution Summary: The author analyzes the probability that a U.S. adult has never spent money gambling online.