Ben made 5 cups of koolaide. she wants to pour it into glasses that will hold 1/2 a cup. how many glasses will she be able to fill with koolaide

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.