The amounts of time per workout an athlete uses a stairclimber are normally​ distributed, with a mean of 20 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for​ (a) less than 17 ​minutes, (b) between 20 and 29 ​minutes, and​ (c) more than 30 minutes.       Question content area bottom Part 1 ​(a) The probability that a randomly selected athlete uses a stairclimber for less than 17 minutes is enter your response here. ​(Round to four decimal places as​ needed.) Part 2 ​(b) The probability that a randomly selected athlete uses a stairclimber between 20 and 29 minutes is enter your response here. ​(Round to four decimal places as​ needed.) Part 3 ​(c) The probability that a randomly selected athlete uses a stairclimber for more than 30 minutes is enter your response here. ​(Round to four decimal places as​ needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The amounts of time per workout an athlete uses a stairclimber are normally​ distributed, with a mean of
20
minutes and a standard deviation of
7
minutes. Find the probability that a randomly selected athlete uses a stairclimber for​ (a) less than
17
​minutes, (b) between
20
and
29
​minutes, and​ (c) more than
30
minutes.
 
 
 

Question content area bottom

Part 1
​(a) The probability that a randomly selected athlete uses a stairclimber for less than
17
minutes is
enter your response here.
​(Round to four decimal places as​ needed.)
Part 2
​(b) The probability that a randomly selected athlete uses a stairclimber between
20
and
29
minutes is
enter your response here.
​(Round to four decimal places as​ needed.)
Part 3
​(c) The probability that a randomly selected athlete uses a stairclimber for more than
30
minutes is
enter your response here.
​(Round to four decimal places as​ needed.)
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