The lifetime of a certain transistor in a certain

Chapter 2, Problem 3E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

The lifetime of a certain transistor in a certain application has mean 900 hours and standard deviation 30 hours. Find the mean and standard deviation of the length of time that four transistors will last.

Questions & Answers

QUESTION:

The lifetime of a certain transistor in a certain application has mean 900 hours and standard deviation 30 hours. Find the mean and standard deviation of the length of time that four transistors will last.

ANSWER:

Answer

Step 1 of  3

Here they mean and standard deviation of one transistor

Now we need to find  mean and standard deviation of four transistors

The mean of the transistor is  =900

The standard deviation of the transistor is =30


Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back