Question
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a...
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of
2424
minutes and a standard deviation of
66
minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than
2121
minutes, (b) between
2424
and
3333
minutes, and (c) more than
4040
minutes.
(a) The probability that a randomly selected athlete uses a stairclimber for less than
2121
minutes is
nothing.
(Round to four decimal places as needed.)
(b) The probability that a randomly selected athlete uses a stairclimber between
2424
and
3333
minutes is
nothing.
(Round to four decimal places as needed.)
(c) The probability that a randomly selected athlete uses a stairclimber for more than
4040
minutes is
nothing.
(Round to four decimal places as needed.)
Homework Answers
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