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Two probability distribution of the disc...

Two probability distribution of the discrete random variables X and Y are given below:

Prove that `E(Y^2)=2E(X)`.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
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  2. Consider the probability distribution of a random variable X: Compute...

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  3. Two probability distribution of the discrete random variables X and Y ...

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  4. The probability distribution of a random variable X is given below: f...

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  5. The probability distribution of a random variable X is given below: C...

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  6. The probability distribution of a random variable X is given below: D...

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  7. The probability distribution of a random variable X is given below: C...

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  8. The random variable X can take the values 0,1,2 only. Give that P(X=0)...

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  9. Two biased dice are thrown together. For the first dice P(6)=1/2, the ...

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  10. A pair of dice is rolled twice. Let X denote the number of times, 'a t...

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  11. Let X be a discrete random variable whose probability distribution is ...

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  12. Let X be a discrete random variable whose probability distribution is ...

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  13. Let X be a discrete random variable whose probability distribution is ...

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  14. The probability distribution of a random variable X is given as under:...

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  15. The probability distribution of a random variable X is given as under:...

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  16. The probability distribution of a random variable X is given as under:...

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  17. A discrete random variable X has the following probability distributio...

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  18. A discrete random variable X has the following probability distributio...

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  19. A discrete random variable X has the following probability distributio...

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  20. A discrete random variable X has the following probability distributio...

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