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Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III
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Solved: Getting to Work According to the U.S. Census

Chapter 4, Problem 39AYU

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QUESTION:

Problem 39AYU

Getting to Work According to the U.S. Census Bureau, the probability that a randomly selected worker primarily drives a car to work is 0.867. The probability that a randomly selected worker primarily takes public transportation to work is 0.048.

(a) What is the probability that a randomly selected worker primarily drives a car or takes public transportation to work?

(b) What is the probability that a randomly selected worker neither drives a car nor takes public transportation to work?

(c) What is the probability that a randomly selected worker does not drive a car to work?

(d) Can the probability that a randomly selected worker walks to work equal 0.15? Why or why not?

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QUESTION:

Problem 39AYU

Getting to Work According to the U.S. Census Bureau, the probability that a randomly selected worker primarily drives a car to work is 0.867. The probability that a randomly selected worker primarily takes public transportation to work is 0.048.

(a) What is the probability that a randomly selected worker primarily drives a car or takes public transportation to work?

(b) What is the probability that a randomly selected worker neither drives a car nor takes public transportation to work?

(c) What is the probability that a randomly selected worker does not drive a car to work?

(d) Can the probability that a randomly selected worker walks to work equal 0.15? Why or why not?

ANSWER:

Answer :

Step 1:

  1. Here we need to find  the probability that a randomly selected worker primarily drives a car or takes public transportation to work 

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