Question* Let X and Y be two contimuous random variables with joint probability density function given by (8xy, 0 Sx

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 10E: An ordinary die is rolled. Find the probability of each event. Rolling a number greater than 4
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Question*
Let X and Y be two contimuous random variables with joint probability density function
given by
(8xy, 0 Sx<ys1
elsewhere
= (6^x)/
Let cov(X,Y) =
(4y', 0<y<1
elsewhere
%3D(X)4DA
= var(X) =– and h(y) =
Then the value of var(2X + 2Y) is equal to:
4.
45.
82/75
424/225
O None of the other options
O68/75
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Transcribed Image Text:Question* Let X and Y be two contimuous random variables with joint probability density function given by (8xy, 0 Sx<ys1 elsewhere = (6^x)/ Let cov(X,Y) = (4y', 0<y<1 elsewhere %3D(X)4DA = var(X) =– and h(y) = Then the value of var(2X + 2Y) is equal to: 4. 45. 82/75 424/225 O None of the other options O68/75 Back Submit Page 2 of 2 Clear form Neversubmt passworks through Google Forme Google Forms 72°F
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