The 5th graders were given sandwiches for lunch during their field trip. nathan at 5/6 of his sandwich, leroy ate 7/8 of his sandwich, and sofia ate 5/8. who ate the greatest amount of their sandwich?

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.