Concept explainers
(a)
To find: the probability that an American selected at random has travelled to Canada but not Mexico.
(a)
Answer to Problem 2E
0.14
Explanation of Solution
Formula used:
Calculation:
A represents the
B represents the event that the American has travelled to Mexico
The probability that an American has been to Canada but not denoted by
As
(b)
To find: the probability that an American selected at random has travelled to either Canada or Mexico.
(b)
Answer to Problem 2E
0.23
Explanation of Solution
Formula used:
Calculation:
The event that an American has been to either Canada or Mexico is given by
(c)
To find: the probability that an American selected at random has not travelled to either country.
(c)
Answer to Problem 2E
0.77
Explanation of Solution
Formula used:
Calculation:
If an American has not travelled to Canada or Mexico, complement of the event that they have either a home or cell phone. Therefore, by De Morgan’s Law,
Chapter 15 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Statistics: The Art and Science of Learning from Data (4th Edition)
Elementary Statistics Using Excel (6th Edition)
Intro Stats, Books a la Carte Edition (5th Edition)
Essentials of Statistics (6th Edition)
Elementary Statistics
Basic Business Statistics, Student Value Edition
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