AP EAMCET Engineering 24 Apr 2017 Shift 1 Paper

Section: Mathematics

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Question : 39 of 160

Marks: +1, -0

If X is a random variable with the following probability distribution

X=x

-3

6

9

P(X=x)

1

6

1

2

1

3

then the variance of X is

65
4
65
2
65
3
65

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