20. A machine fils boxes at a constant rate. At the end of 35 minutes, it has filed 5 boxes. Which table represents the relationship between the numba of minutes the machine fills boxes and the number of boxes it has filled?

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.