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 460 seconds and a standard deviation of 60 seconds. The fitness association wants to recognize the boys whose times are among the top (or fastest) 10% with certificates of recognition. What time would the boys need to beat in order to earn a certificate of recognition from the fitness association?Choose one 558.7 sec 361.3 sec 536.8 sec 383.2 sec

Given data,μ=460σ=60P(X>x)=10%=0.10x=?

Answered: A physical fitness association is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 460 seconds and a standard deviation of 60 seconds.
The fitness association wants to recognize the boys whose times are among the top (or fastest) 10% with certificates of recognition.
What time would the boys need to beat in order to earn a certificate of recognition from the fitness association?

Choose one

558.7 sec

361.3 sec

536.8 sec

383.2 sec

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