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If X is a random variable whose possible...

If X is a random variable whose possible values `X_1,X_2,.....,X_n` are occur with probabilities `P_1,P_2,.....,P_n` respectively, then E(X)=………….

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MAXIMUM PUBLICATION-PROBABILITY-EXAMPLE
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  4. A husband and wife appears for an interview for 2 posts. The probabili...

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  7. For two independent events A and B, which of the following pair of eve...

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  8. If P(A) = 0.6,P(B) = 0.7 and P(AuuB)=0.9, then find P(A/B) and P(B/A...

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  9. The probability disribution of a random variable X is given below F...

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  10. The probability disribution of a random variable X is given below F...

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

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

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

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

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

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

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  17. Write the probability function of Binomial Distribution

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

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

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