February 20, 2017

Homework Help: standard deviations

Posted by Anonymous on Sunday, December 4, 2011 at 9:21pm.

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece of material will be defective?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions