Me luke skywalker's height is 68 inches. the mean height for all jedi is 66.5 inches and the standard deviation of the jedi heights is 2.4 inches. what is the z score for luke skywalker's height? round to the nearest thousandth

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.