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.

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.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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