#2. In automotive repair, experience has shown that a rough-running engine can be attributed tobad ignition wires 35% of the time, bad spark plugs 80% of the time, and both 20 % of thetime.(a) Suppose a mechanic begins to diagnose the problem by checking the spark plugs firstand find them to be bad. With this information, what is the probability that the wiresare also bad?(b) If the sparks plugs are found to be good, what is the probability that wires are bad?

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Answered: (a) Suppose a mechanic begins to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In automotive repair, experience has shown that a rough - running engine can be attributed to the bad ignition wires 35% of the time, bad spark plugs 80% of the time, and both problems 20% of the time. Suppose a mechanic begins to diagnose the problem by checking the spark plugs first and find them to be bad. Given this information, what is the probability that the wires are also bad?
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(a) Suppose a mechanic begins to diagnose the problem by checking the spark plugs first and find them to be bad. With this information, what is the probability that the wires are also bad? (b) If the sparks plugs are found to be good, what is the probability that wires are bad?