Among the details made by the motor factory, 10% are defective. Find the mean and the standard deviation of the number of defective details among 8 randomly chosen. What is the probability that not more than 2 details among them are defective?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 2GP
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Among the details made by the motor factory, 10% are defective. Find the mean
and the standard deviation of the number of defective details among 8 randomly chosen.
What is the probability that not more than 2 details among them are defective? 

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