Find the mean and variance of X if the cdf of X is

Chapter 3, Problem 8E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

Find the mean and variance of \(X\) if the cdf of \(X\) is

\(F(x)= \begin{cases}0, & x<0, \\ 1-\left(\frac{2}{3}\right) e^{-x}, & 0 \leq x .\end{cases}\)

Equation Transcription:

 {         

Text Transcription:

X  

F(x)= {1-(2/3)e^-x,  0 < or = x.0, x<0,    

Questions & Answers

QUESTION:

Find the mean and variance of \(X\) if the cdf of \(X\) is

\(F(x)= \begin{cases}0, & x<0, \\ 1-\left(\frac{2}{3}\right) e^{-x}, & 0 \leq x .\end{cases}\)

Equation Transcription:

 {         

Text Transcription:

X  

F(x)= {1-(2/3)e^-x,  0 < or = x.0, x<0,    

ANSWER:

Solution :

Step 1 of 4:

The cdf of a continuous random variable  X is given

We have to find the mean and variance of X.


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