A manufacturing line makes parts that have a defect rate of 1 in 100; that his, one part out every 100 parts on average are bad, and the remaining parts are good.  a) You have an original testing system that is 90% accurate in determining whether a part is defective or works, and it's accuracy is the sand for both good parts and bad parts. Suppose your original testing system labels a particular part defective. What is the probability that the part is bad?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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A manufacturing line makes parts that have a defect rate of 1 in 100; that his, one part out every 100 parts on average are bad, and the remaining parts are good. 
a) You have an original testing system that is 90% accurate in determining whether a part is defective or works, and it's accuracy is the sand for both good parts and bad parts. Suppose your original testing system labels a particular part defective. What is the probability that the part is bad?

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