AP EAPCET 23-Aug-2021 Shift 1 Paper

Section: Mathematics

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Question : 40 of 160

Marks: +1, -0

If X is a poisson variable such that 3P(X=4)=

1

2

P(X=2)+P(X=0) then the mean of X is ______

1
2
3
2
1
2

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