Monday
April 21, 2014

Homework Help: Management

Posted by Rajan on Thursday, March 28, 2013 at 1:09pm.

The bulbs manufactured by a company gave a mean life of 3000 hours with standard
deviation of 400 hours. If a bulb is selected at random, what is the probability it will
have a mean life less than 2000 hours?
Question:
1) Calculate the probability.
2) In what situation does one need probability theory?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - A company has developed a new type of light bulb, and wants to ...
statistics - the life of electric bulbs has a normal distribution with a mean of...
Statistics - Can anyone tell me how to use TI-84 calculator to solve this ...
math - Suppose that you are the chief of maintenance for a large metropolitan ...
math - The Bulb Bargain Problem. Suppose that you are the chief of maintenance ...
Economics - 1. Products that would be used in calculating GDP include: a. Toys ...
Probability and Statistics 2 - The University of Southern Mississippi currently ...
MATH - Chantal has a flower bed. She has three types of flowers, Daffodils, ...
math - 1) A light bulb producing company states that its lights will last an ...
calculus - A MANUFACTURE OF LIGHTBULBS HASS SAMPLED 40 BULBS IN ORDER TO ...

Search
Members