The width of a casing for a door is normally distributed with a mean of 24 inches
Question:
(a) Determine the mean and standard deviation of the difference between the width of the casing and the width of the door.
(b) What is the probability that the width of the casing minus the width of the door exceeds 1/4 inch?
(c) What is the probability that the door does not fit in the casing?
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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