Tom gordy

This page lists questions and answers that were posted by visitors named Tom gordy.

Questions

The following questions were asked by visitors named Tom gordy.

If light bulbs are normally distributed with a mean of 2500 hrs. and a standard deviation of 500 hrs. what percentage of light bulbs have a life span less than 2500 hrs.?
11 years ago

Answers

The following answers were posted by visitors named Tom gordy.