AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

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Question : 40 of 160

Marks: +1, -0

If the probability distribution of a random variable X isgiven by

X=xi

:

0

1

2

3

P(X=xi)

:

1

8

3

8

3K

K

Then the variance of X is

3
9
4
3
2
3
4

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