what is the probability that it actually emits excessive amounts of emissions?

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 Arkansas, 30 percent of all cars emit excessive amounts of
pollutants. The probability is O.95 that a car emitting excessive
amounts of pollutants will fail the state's vehicular emission test,
and the probability is 0.15 that a car not emitting excessive amounts
of pollutants will also fail the test. If a car fails the emission test,
what is the probability that it actually emits excessive amounts of
emissions?
Select one:
O a. 0.73
O b. 0.14
O c. 0.13
O d. 0.74
Transcribed Image Text:In Arkansas, 30 percent of all cars emit excessive amounts of pollutants. The probability is O.95 that a car emitting excessive amounts of pollutants will fail the state's vehicular emission test, and the probability is 0.15 that a car not emitting excessive amounts of pollutants will also fail the test. If a car fails the emission test, what is the probability that it actually emits excessive amounts of emissions? Select one: O a. 0.73 O b. 0.14 O c. 0.13 O d. 0.74
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