EAMCET Engineering 2008 Solved Paper

Section: Mathematics
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Question : 123 of 160
 
Marks: +1, -0
The distribution of a random variable X is given below
 X=x  -2  -1  0  1  2  3
 P(X=x)  â€Œ
1
10
 k  â€Œ
1
5
 2k  
3
10
 k
The value of k is
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