February 28, 2017

Homework Help: Statistics

Posted by Daniela on Wednesday, October 24, 2012 at 11:09pm.

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 40 seconds. The fitness association wants to recognize the fastest 10% of the boys with certificates of recognition. What time would the boys need to beat in order to earn a certificate of recognition from the fitness association.

a) 408.8
b) 511.2
c) 394.2
d) 525.8

I got b. Is that correct?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions