Ava, grace, jayden, and zoe together stacked a total of 50 brownies on a tray. ava stacked 0.14 of the brownies, grace stacked 4 of the 50 brownies, jayden stacked 24% of the brownies, and zoe stacked the remaining brownies. who stacked the most brownies?

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.