Question
The lengths of lumber a machine cuts are normally distributed with a mean of 95 inches and a standard deviation of 0.7 inch.(a) What is
The lengths of lumber a machine cuts are normally distributed with a mean of
95
inches and a standard deviation of
0.7
inch.(a) What is the probability that a randomly selected board cut by the machine has a length greater than
95.29
inches?(b) A sample of
41
boards is randomly selected. What is the probability that their mean length is greater than
95.29
inches?
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Calculus
Authors: Jon Rogawski, Colin Adams, Robert Franzosa
4th Edition
1319055842, 9781319055844
