Part 1 a. What is the probability that a ball bearing is between the target and the actual mean? enter your response here (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? enter your response here (Round to four decimal places as needed.) c. What is the probability that a ball bearing is above the upper specification limit?
Part 1 a. What is the probability that a ball bearing is between the target and the actual mean? enter your response here (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? enter your response here (Round to four decimal places as needed.) c. What is the probability that a ball bearing is above the upper specification limit?
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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An industrial sewing machine uses ball bearings that are targeted to have a diameter of
0.78
inch. The lower and upper specification limits under which the ball bearings can operate are
0.77
inch and
0.79
inch, respectively. Past experience has indicated that the actual diameter of the ball bearings is approximately normally distributed, with a mean of
0.783
inch and a standard deviation of
0.003
inch. Complete parts (a) through (e) below.Question content area bottom
Part 1
a. What is the probability that a ball bearing is between the target and the actual mean?
enter your response here
(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?
enter your response here
(Round to four decimal places as needed.)c. What is the probability that a ball bearing is above the upper specification limit?
enter your response here
(Round to four decimal places as needed.)d. What is the probability that a ball bearing is below the lower specification limit?
enter your response here
(Round to four decimal places as needed.)e. Of all the ball bearings,
91%
of the diameters are greater than what value?enter your response here
inch (Round to three decimal places as needed.)Expert Solution
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