Question

Find Cov(X,Y) when X, Y have the joint pmf p(0,0)= 0.2 , p(0,1)=0.3 p(1,0)=0.4 , p(1,1)=0.1 Determine whether the above random variables X and Y are independent.

Name: find covxy when x y have the joint pmf p00 02 p0103 p1004 p1101 determine whether the above random variables x and y are independent 59973
Uploaded: 2021-11-08T00:02:12-08:00
Duration: 3 min 43 s
Channel: Christopher Dzorkpata
Description: find covxy when x y have the joint pmf p00 02 p0103 p1004 p1101 determine whether the above random variables x and y are independent 59973

          Find Cov(X,Y) when X, Y have the joint pmf
p(0,0)= 0.2 , p(0,1)=0.3
p(1,0)=0.4 , p(1,1)=0.1
Determine whether the above random variables X and Y are
independent.

Added by Megan P.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Christopher Dzorkpata

11/08/2021

Step 1

Given: p(0,0) = 0.2, p(0,1) = 0.3, p(1,0) = 0.4, p(1,1) = 0.1 Expectation of X (E[X]): E[X] = 0*0.2 + 1*0.3 + 0*0.4 + 1*0.1 E[X] = 0.3 + 0.1 E[X] = 0.4 Expectation of Y (E[Y]): E[Y] = 0*0.2 + 1*0.3 + 0*0.4 + 1*0.1 E[Y] = 0.3 + 0.1 E[Y] = 0.4 Show more…

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Find Cov(X,Y) when X, Y have the joint pmf p(0,0)= 0.2 , p(0,1)=0.3 p(1,0)=0.4 , p(1,1)=0.1 Determine whether the above random variables X and Y are independent.