Use the geometric mean (altitude) theorem. What is the value of m?
O4
O 2/9
4/10
m
20
O 160
8

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.