What is the solution to this equation? 3x - 5 + 2x = 25
O A. x = 6
O B. x = 30
O C. x = 4
O D. x = 20

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.