Tuesday
October 21, 2014

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:
Answer:

Related Questions

sTATISTICS - If light bulbs have lives that are normally distributed with a mean...
statistics - If light bulbs have lives that are normally distributed with a ...
Statistics 1 - If light bulbs are normally distributed with a mean of 2500 hrs. ...
probability and statistics - An electrical firm manufactures light bulbs that ...
Statistics - An industrial engineer has found that the standard household light ...
Math - A consumer buys n light bulbs, each of which has a lifetime that has a ...
Math - A consumer buys n light bulbs, each of which has a lifetime that has a ...
stat - A company installs 5000 light bulbs, each with an average life of 500 ...
Probability Statistics - a manufacturing plant uses 3000 light bulbs whose ...
statisitics - A company installs 5000 light bulbs, each with an average life of ...

Search
Members