| In a study of exercise, a large group of male runners walk on a treadmill for 10 minutes. Their heart rates in beats per minute at the end vary from runner to runner according to the normal distribution with a mean of 105 and standard deviation of 9.5. The heart rates for male non~runners after the same exercise has a normal distribution with a mean of 128 and standard deviations of 10 . What percent of the non-runners have heart rates above 118? 84.1345 0.8413 0.1587 16