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KEAM 2010 Math Paper

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Question : 21

Total: 120

The probability distribution of a random variable X is given as

x	-5	-4	-3	-2	-1	0	1	2	3	4	5
P(X=x)	p	2p	3p	4p	5p	7p	8p	9p	10p	11p	12p

Then the value of p is

1
72
3
73
5
72
1
74
1
73

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