And fast, 15 points! in the coordinate plane shown, how far apart are points b and d? explain how you can use the pythagorean theorem to determine this.

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.