A physical fitness association is including the mile run in its​ secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460460 seconds and a standard deviation of 5050 seconds. Find the probability that a randomly selected boy in secondary school will take longer than 345345 seconds to run the mile.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A physical fitness association is including the mile run in its​ secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of
460460
seconds and a standard deviation of
5050
seconds. Find the probability that a randomly selected boy in secondary school will take longer than
345345
seconds to run the mile.
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