The lengths of lumber a machine cuts are normally

Last updated: 3/1/2024

The lengths of lumber a machine cuts are normally distributed with a mean of 102 inches and a standard deviation of 0 5 inch a What is the probability that a randomly selected board cut by the machine has a length greater than 102 21 inches b A sample of 38 boards is randomly selected What is the probability that their mean length is greater than 102 21 inches a The probability is Round to four decimal places as needed ICCE