pollutants, but results in false positives for 18% of cars that emit quantity considered normal. What is the probability of a car failin

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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In a city where cars are tested for pollutant emissions, 22%
of them emit a quantity considered excessive. The test fails 94% of the cars that emit excess pollutants, but results in false positives for 18% of cars that
emit quantity considered normal. What is the probability of a car failing
test really emit excessive amounts of pollutants?

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