Maxine is a self-employed rider she averages a monthly income of $3250 if the fica rate is 15.02% how much if i see a text machine pay each year

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.