According to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. Of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars. a) What is the probability that the residents of a household own 2 cars and have an income over $50,000 a year? Show or explain how you obtain your answer. b) What is the probability that the residents of a household do not own 2 cars and have an income over $50,000 a year? Show or explain how you obtain your answer. c) What is the probability that the residents do not own 2 cars if annual household income is not over $50,000? Show or explain how you obtain your answer.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 1C
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According to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. Of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars.

a) What is the probability that the residents of a household own 2 cars and have an income over $50,000 a year? Show or explain how you obtain your answer.

b) What is the probability that the residents of a household do not own 2 cars and have an income over $50,000 a year? Show or explain how you obtain your answer.

c) What is the probability that the residents do not own 2 cars if annual household income is not over $50,000? Show or explain how you obtain your answer. 

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