Pls answer only if ur sure your right

Multiply. write your answer in simplest form. 3/8 x 5/7

Will mark name all segments skew to bc

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.