February 20, 2017

Homework Help: math

Posted by Bridget on Monday, April 2, 2012 at 6:10pm.

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions