TS EAMCET 6-Aug-2021 Shift 1 Question Paper

Section: Mathematics

Question : 41 of 160

Marks: +1, -0

The probability function of a discrete random variable X is given by P(X=r) = Kr2, where r = −2,−1,0,1,2,3 and K is a constant. The sum of the variance of X and the square of the mean of X is

81
19
27
19
18
19
115
19

Validate

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