2. A survey found that 73% of Americans have a home phone, 83% have a cell phone, and 58% of people have both. a. What is the probability of a person having only a cell phone? b. What is the probability of a person having neither a house phone or a cell phone? C. If a person has a home phone, what is the probability that they have a cell phone also? d. Are having a home phone and a cell phone independent? Explain.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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2. A survey found that 73% of Americans have a home phone, 83% have a cell phone, and 58% of people have both.
a. What is the probability of a person having only a cell phone?
b. What is the probability of a person having neither a house phone or a cell phone?
c. If a person has a home phone, what is the probability that they have a cell phone also?
d. Are having a home phone and a cell phone independent? Explain.
Transcribed Image Text:2. A survey found that 73% of Americans have a home phone, 83% have a cell phone, and 58% of people have both. a. What is the probability of a person having only a cell phone? b. What is the probability of a person having neither a house phone or a cell phone? c. If a person has a home phone, what is the probability that they have a cell phone also? d. Are having a home phone and a cell phone independent? Explain.
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