The variables x and y vary intensely. Use the given values to write an equation relating x and y. Then find y when x = 6. 1) x = 3/2, y = 12

2) x = -2, y = 3

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.