Question * Let X and Y be two continuous random variables with joint probability density function given by: (8ry, 0

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 contiuous random variables with joint probability density function
given by
f&y) = *y, 0<x<y<1
elsewhere
%3D
Let cov(X,Y) = var(X) = and h(y) = y. 05YS1
elsewhere
45
0,
Then the value of var(X+ 2Y) is equal to
O 424/225
O None of the other options
68/75
82/75
Transcribed Image Text:Question * Let X and Y be two contiuous random variables with joint probability density function given by f&y) = *y, 0<x<y<1 elsewhere %3D Let cov(X,Y) = var(X) = and h(y) = y. 05YS1 elsewhere 45 0, Then the value of var(X+ 2Y) is equal to O 424/225 O None of the other options 68/75 82/75
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