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Forming Inequalities from statement

Consider two ...

Question

Consider two random variable X and Y where Y = 2X, if E(X) = 2, then the value of E[Y] is equal to ________
4

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Solution

The correct option is A 4
E[Y] = E[2X] = 2E[X]=2 × 2 = 4

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Forming Inequalities from statement

Standard XII Mathematics

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