Edward drove 80 miles from his home to London. He stopped and visited his friend Nicola on the way.
Here is the distance-time graph for the how far was Edward from Home when  he visited Nicole how long did Edward stock four

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.