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9. Suppose that you are the manager at a manufacturing plant that produces metal ball bearings. The machines that produce the ball bearings produces ball bearings that follow a normal distribution with an average diameter of 5mm and a standard deviation of 0.02mm. A ball bearing is considered faulty and is discarded if its diameter exceeds 5.05mm or falls below 4.95mm. How many faulty ball bearings should you expect to find in a batch of 30,000? a. 100 b. 621 C. 5 d. 372

9. Suppose that you are the manager at a manufacturing plant that produces metal ball bearings. The machines that produce the ball bearings produces ball bearings that follow a normal distribution with an average diameter of 5mm and a standard deviation of 0.02mm. A ball bearing is considered faulty and is discarded if its diameter exceeds 5.05mm or falls below 4.95mm. How many faulty ball bearings should you expect to find in a batch of 30,000? a. 100 b. 621 C. 5 d. 372

MATLAB: An Introduction with Applications
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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9. Suppose that you are the manager at a manufacturing plant that produces metal ball bearings. The machines that produce the ball bearings produces ball bearings that follow a normal distribution with an average diameter of 5mm and a standard deviation of 0.02mm. A ball bearing is considered faulty and is discarded if its diameter exceeds 5.05mm or falls below 4.95mm. How many faulty ball bearings should you expect to find in a batch of 30,000? a. 100 b. 621 c. 5 d. 372
Transcribed Image Text:9. Suppose that you are the manager at a manufacturing plant that produces metal ball bearings. The machines that produce the ball bearings produces ball bearings that follow a normal distribution with an average diameter of 5mm and a standard deviation of 0.02mm. A ball bearing is considered faulty and is discarded if its diameter exceeds 5.05mm or falls below 4.95mm. How many faulty ball bearings should you expect to find in a batch of 30,000? a. 100 b. 621 c. 5 d. 372
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