Brice has 400 toy cars. Of the toy cars, 15% are red, 40% are green, and the rest are multicolor. How many toy cars are multicolor?
O 160
O 60
O 180
100

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.