A random variable X has the distribution law as given below: X 1 2 3 P(X = x) 0.3 0.4 0.3 The variance of the distribution is:

UPSC NDA Math Model Paper 9

Question : 65 of 120

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A random variable X has the distribution law as given below:

X	1	2	3
P(X = x)	0.3	0.4	0.3

The variance of the distribution is:

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