e. Of all the ball bearings, 91% of the diameters are greater than what value?inch (Round to three decimal places as needed.) An industrial sewing machine uses ball bearings that are targeted to have a diameter of 0.71 inch. The lower andupper specification limits under which the ball bearings can operate are 0.69 inch and 0.73 inch, respectively. Pastexperience has indicated that the actual diameter of the ball bearings is approximately normally distributed, with amean of 0.713 inch and a standard deviation of 0.004 inch. Complete parts (a) through (e) below.

To find: Of all the bearings, 91% of the diameters are greater than what value?

Answered: An industrial sewing machine uses ball…

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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An industrial sewing machine uses ball bearings that are targeted to have a diameter of 0.71 inch. The lower and upper specification limits under which the ball bearings can operate are 0.69 inch and 0.73 inch, respectively. Past experience has indicated that the actual diameter of the ball bearings is approximately normally distributed, with a mean of 0.713 inch and a standard deviation of 0.004 inch. Complete parts (a) through (e) below. a. What is the probability that a ball bearing is between the target and the actual mean? 0.2734 (Round to four decimal places as needed.) b. What is the probability that a ball bearing is between the lower specification limit and the target? 0.2266 (Round to four decimal places as needed.) c. What is the probability that a ball bearing is above the upper specification limit? 0 (Round to four decimal places as needed.) d. What is the probability that a ball bearing is below the lower specification limit? (Round to four decimal places as needed.)

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