TS EAMCET 04 May 2019 Shift 1 Solved Paper

Section: Mathematics

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Question : 40 of 160

Marks: +1, -0

The probability distribution of a discrete random variable X is given below.
If E (X2) = Σ x2 P (X = x) , then 6 E(X2) - Var (X) =

X = x

- 1

0

1

2

P (X = x)

1

3

1

6

1

6

1

3

1
12
19
12
113
12
12
113

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