The correlation of the random variables X and Y if each of them takes only 3...

 

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The correlation of the random variables X and Y if each of them takes only 3 values (1,2,3) with the following probabilities : 1 2 3 1 0 1/6 1/6 y 2 1/6 0 1/6 0 1/6 3 1/6 1/6 0 Select one: O a none of these O b. 22/6 O . 1/3 O d.-1/3 The correlation of the random variables X and Y if each of them takes only 3 values (1,2,3) with the following probabilities : 1 2 3 1 0 1/6 1/6 y 2 1/6 0 1/6 0 1/6 3 1/6 1/6 0 Select one: O a none of these O b. 22/6 O . 1/3 O d.-1/3

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