The time it takes a runner of a marathon in a certain city to fifinish the race (fifinish time) has a distribution that can be approximated by a Normal distribution with a mean of 195 minutes and a standard deviation of 25 minutes. The faster 2.5% classify automatically for next year’s marathon. What fifinish time qualififies athletes automatically for the next marathon?

The time it takes a runner of a marathon in a certain city to fifinish the race (fifinish time) has a distribution that can be approximated by a Normal distribution with a mean of 195 minutes and a standard deviation of 25 minutes. The faster 2.5% classify automatically for next year’s marathon. What fifinish time qualififies athletes automatically for the next marathon?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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