AP EAMCET Engineering 2018 Apr 24 Shift 1 Paper

Section: Mathematics
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Question : 40 of 160
 
Marks: +1, -0
The variance of the random variable X having the following distribution
X = k : - 2 - 1 0 1 2
P (X = k) :
1
6
1
6
1
3
1
6
1
6

is
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