EAMCET Engineering 2009 Solved Paper

Section: Mathematics

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Question : 120 of 160

Marks: +1, -0

If m and σ2 are the mean and variance of the random variable X, whose distribution is given by

X=x

0

1

2

3

P(X=x)

‌

1

3

‌

1

2

0

‌

1

6

Then

m=σ2=2
m=1,σ2=2
m=σ2=1
m=2,σ2=1

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