Which expression is equivalent to the measure of 24 in the image below? 5
2
4
m21+m22
O
m21+m23
O
m 22+ m26
m25+ m26
O

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.