11- Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 4)) where each point is assumed to be equally likely. Define the random. variable X to be the first component of a sample point and Y, the second Then, the cov(X,Y) is (a) 2 (b) -2 (c) 0 (d) 1

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11- Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 4)),
where each point is assumed to be equally likely. Define the random
variable X to be the first component of a sample point and Y, the second.
Then, the cov(X,Y) is
(a) 2
a
O C
O d
(b) -2
(c) 0
(d) I
Transcribed Image Text:11- Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 4)), where each point is assumed to be equally likely. Define the random variable X to be the first component of a sample point and Y, the second. Then, the cov(X,Y) is (a) 2 a O C O d (b) -2 (c) 0 (d) I
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