Agymnasium is 88 feet long and 76 feet wide. on a blueprint, the gymnasium is 5.5 inches long. what is the width of the gymnasium on the blueprint

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.