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-- Mathematics - Section B2
Linear Programming
The random variable x can take values 0, 1, 2, 3, Given that P(x=0)=P(x-1)=P and P(x-2)=P(x-3) such that $E(x^2)=2E(x)$, then value of 'P' is :
$\frac{1}{4}$
$\frac{3}{8}$
$\frac{2}{3}$
$\frac{5}{8}$