3. The finish times for marathon runners during a race are normally distributed with a mean of 195 minutes and a variance of 289 minutes. What is the probability that a runner will complete the marathon within 180 minutes?
3. The finish times for marathon runners during a race are normally distributed with a mean of 195 minutes and a variance of 289 minutes. What is the probability that a runner will complete the marathon within 180 minutes?
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter20: Queuing Theory
Section20.2: Modeling Arrival And Service Processes
Problem 7P
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![3. The finish times for marathon runners during a race are normally distributed with a mean of
195 minutes and a variance of 289 minutes. What is the probability that a runner will
complete the marathon within 180 minutes?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec5b449a-1fc0-4d88-8b6f-93db79243b7f%2Fee9fdad9-59b1-4f34-80da-851222bca439%2Fqww8gc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. The finish times for marathon runners during a race are normally distributed with a mean of
195 minutes and a variance of 289 minutes. What is the probability that a runner will
complete the marathon within 180 minutes?
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