A factory making printed-circuit boards has a defect rate of 2.4% on one of its production lines. An inspector tests randomly selected circuit boards from this production line. a) What is the probability that the first defective circuit board will be the sixth one tested? b)What is the expected waiting time until the first defective circuit board?

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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1
A factory making printed-circuit boards has a defect rate of 2.4% on one of its
production lines. An inspector tests randomly selected circuit boards from this
production line.
a) What is the probability that the first defective circuit board will be the sixth one
tested?
b)What is the expected waiting time until the first defective circuit board?
Transcribed Image Text:A factory making printed-circuit boards has a defect rate of 2.4% on one of its production lines. An inspector tests randomly selected circuit boards from this production line. a) What is the probability that the first defective circuit board will be the sixth one tested? b)What is the expected waiting time until the first defective circuit board?
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