Mathematics, 15.11.2019 19:31, ddea4081
In a study of exercise, a large group of male runners walk on a treadmill for six minutes. their heart rates in beats per minute at the end vary from runner to runner according to the n(104,12.5) distribution. the heart rates for male nonrunners after the same exercise have the n(130, 17) distribution.
(a) what percent of the runners have heart rates above 130?
(b) what percent of the nonrunners have heart rates above 130?
Answers: 2
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In a study of exercise, a large group of male runners walk on a treadmill for six minutes. their hea...
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