Question

Y and find t 6) The joint probability mass function of two variables X and Y is shown below. .1 0 0 0 .1 (a) Show that X and
0 0
Add a comment Improve this question Transcribed image text
Answer #1

The marginal pmf of X,Y is 0.2 ifェ=-1,1 0 otherwise and 0.2ify= 1,1 0.6 ify_0 PV(y)- 0 otherwise llence E(X) = E(Y)-0 And E(X

Add a comment
Know the answer?
Add Answer to:
Y and find t 6) The joint probability mass function of two variables X and Y is shown below. .1 0 0 0 .1 (a) Show t...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 3. Suppose X, Y are discrete random variables taking values in {-1,0,1) and their joint probability...

    3. Suppose X, Y are discrete random variables taking values in {-1,0,1) and their joint probability mass function is 0 X=1 where a, b are two positive real numbers. (i) Find the values of a and b such that X and Y are uncorrelated. (ii) Show that X and Y cannot be independent 0

  • Let X and Y be two random variables with joint probability mass function: (?,?) = (??(3+?))/(18*3+30)???...

    Let X and Y be two random variables with joint probability mass function: (?,?) = (??(3+?))/(18*3+30)??? ?=1,2,3 ??? ?=1,2 (?,?) = 0, Otherwise. Please enter the answer to 3 decimal places. Find P(X>Y) and Let X and Y be two random variables with joint probability mass function: (?,?) = (??(4+?))/(18*4+30)??? ?=1,2,3 ??? ?=1,2 (?,?) = 0, Otherwise. Please enter the answer to 3 decimal places. Find P(Y=2/X=1) Please show work/give explanation

  • 3. Suppose X, Y are discrete random variables taking values in -1,0,1) and their joint probability...

    3. Suppose X, Y are discrete random variables taking values in -1,0,1) and their joint probability mass function is 0 0 0 where a, b are two positive real numbers. (i) Find the values of a and b such that X and Y are uncorrelated (ii) Show that X and Y cannot be independent

  • [1] The joint probability mass function of two discrete random variables A and B is PAB(a,...

    [1] The joint probability mass function of two discrete random variables A and B is PAB(a, b) = Sca²b, a = -2,2 and b = 1,2 0, otherwise Clearly stating your reasons, answer the following two (i) Are A and B are uncorrelated? (ii) Are A and B independent? [2] X is continuous uniform (1,7) while Y is exponential with mean 2. If the variance of (X+2Y) is 20, find the correlation coefficient of X and Y.

  • Two random variables, X and Y, have joint probability density function f ( x , y...

    Two random variables, X and Y, have joint probability density function f ( x , y ) = {  c , x < y < x + 1 , 0 < x < 1 0 , o t h e r w i s e Find c value. What's the conditional p.d.f of Y given X = x, i.e., f Y ∣ X = x ( y ) ? Don't forget the support of Y. Find the conditional expectation E [...

  • [1] The joint probability mass function of two discrete random variables A and B is 0,...

    [1] The joint probability mass function of two discrete random variables A and B is 0, Pab(a,b) = Sca²b, a = -2, 2 and b = 1,2 otherwise Clearly stating your reasons, answer the following two (i) Are A and B are uncorrelated? (ii) Are A and B independent?

  • [1] The joint probability mass function of two discrete random variables A and B is Pab(a,b)...

    [1] The joint probability mass function of two discrete random variables A and B is Pab(a,b) = {ca2b, a = -2,2 and b = 1,2 otherwise Clearly stating your reasons, answer the following two (1) Are A and B are uncorrelated? (ii) Are A and B independent? [2] X is continuous uniform (1,7) while Y is exponential with mean 2. If the variance of (X+2Y) is 20, find the correlation coefficient of X and Y.

  • The joint probability density function for continuous random variables X and Y is given below. f...

    The joint probability density function for continuous random variables X and Y is given below. f (x) =   x + y, 0 < x < 1, 0 < y < 1 if;                                                                          0,         degilse. (a) Show that this is a joint density function. (b) Find the marginal density of X . (c) Find the marginal density of Y . (d) Given Y = y find the conditional density of X . (e) P ( 1/2 < X < 1|Y =...

  • The joint probability density function for continuous random variables X and Y is given below. f...

    The joint probability density function for continuous random variables X and Y is given below. f (x) =   x + y, 0 < x < 1, 0 < y < 1 if;                                                                          0,         degilse. (a) Show that this is a joint density function. (b) Find the marginal density of X . (c) Find the marginal density of Y . (d) Given Y = y find the conditional density of X . (e) P ( 1/2 < X < 1|Y =...

  • The joint probability density function for continuous random variables X and Y is given below. f...

    The joint probability density function for continuous random variables X and Y is given below. f (x) =   x + y, 0 < x < 1, 0 < y < 1 if;                                                                          0,         degilse. (a) Show that this is a joint density function. (b) Find the marginal density of X . (c) Find the marginal density of Y . (d) Given Y = y find the conditional density of X . (e) P ( 1/2 < X < 1|Y =...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT