Ted likes to run long distances. he can run 20 km in 95 minutes. he wants to know how many kilometers (k) he will go if he runs at the same pace for 285 minutes. how far will ted run in 285 minutes?

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.