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Prove that variance E(X^2)-[E(X)]^2...

Prove that variance
`E(X^2)-[E(X)]^2`

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MAXIMUM PUBLICATION-PROBABILITY-EXAMPLE
  1. The probability disribution of a random variable X is given below F...

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  2. An urn contains 8 white and 6 black balls. Two are drawn from the urn ...

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  3. Prove that variance E(X^2)-[E(X)]^2

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  4. For any two events A and B, write the expression for P(A|B).

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  5. In a bulb factory, machine A,B and C manufactures 60%, 30% and 10% bul...

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  6. Two balls are drawn with replacement from a box containing 10 black an...

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  7. Find the probability of getting 5 exactly twice in 7 throw of a die.

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  8. Write the probability function of Binomial Distribution

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  9. Five Defective bulbs are accidentally mixed with 20 good ones. It is n...

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  10. Two balls are drawn with replacement from a box containing 10 black an...

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  11. Find the probability of getting 5 exactly twice in 7 throw of a die.

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  12. A die is tossed thrice. Find the probability of getting an odd number ...

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  13. Bag I contains 3 red and 4 black balls while another bag II contains 5...

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  14. If A and B are independent events, Prove that bar A and bar B are inde...

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  15. A box contains 30 defective bulbs and 30 non-defective bulbs. Two bulb...

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  16. In a factory which manufacture bulbs,machine X, Y and Z manufactures r...

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  17. A and B try to solve a problem independently. The probability that A s...

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  18. A and B try to solve a problem independently. The probability that A s...

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  19. If A and B are two independent events, then Prove that A and B^'are ...

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  20. If A and B are two independent events, then show that the probabilit...

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