The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes. (a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is (Round to four decimal places as needed.)
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes. (a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is (Round to four decimal places as needed.)
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 58CR
Question
The amounts of time per workout an athlete uses a stairclimber are normally distributed , with a mean of 21 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes.
(a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is (Round to four decimal places as needed.)
![The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and
a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less
than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes.
(a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is
(Round to four decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64645857-cfe4-4445-9920-5edc534fc6a8%2F9b523619-86b8-481a-b801-45e09b768810%2Flxapgqb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and
a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less
than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes.
(a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is
(Round to four decimal places as needed.)
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