The lengths of lumber a machine cuts are normally distributed with a mean of 95 inches and a standard deviation of 0.4 inch. (a) What is the probability that a randomly selected board cut by the machine has a length greater than 95.14 inches? (b) A sample of 39 boards is randomly selected. What is the probability that their mean length is greater than 95.14 inches? (a) The probability is . (Round to four decimal places as needed.) (b) The probability is (Round to four decimal places as needed.)

The lengths of lumber a machine cuts are normally distributed with a mean of 95 inches and a standard deviation of 0.4 inch. (a) What is the probability that a randomly selected board cut by the machine has a length greater than 95.14 inches? (b) A sample of 39 boards is randomly selected. What is the probability that their mean length is greater than 95.14 inches? (a) The probability is . (Round to four decimal places as needed.) (b) The probability is (Round to four decimal places as needed.)

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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