Flaws occur in the interior of plastic for automobiles according to a Poisson distribution with a mean of 0.015 per panel.   a. What is the expected number of panels that need to be inspected before a flaw is found?  b. If 40 panels are inspected, what is the probability that the number of panels that have one or more flaws is less than or equal to 2? c. If 40 panels are inspected, what is the probability that there are no

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Flaws occur in the interior of plastic for automobiles according to a Poisson distribution with a mean of 0.015 per panel.  

a. What is the expected number of panels that need to be inspected before a flaw is found? 

b. If 40 panels are inspected, what is the probability that the number of panels that have one or more flaws is less than or equal to 2?

c. If 40 panels are inspected, what is the probability that there are no flaws?

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