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Two cards are drawn with replacement fro...

Two cards are drawn with replacement from a well shufflied deck of 52 cards . Find the mean and variance for the number of aces .

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FULL MARKS-PROBABILITY DISTRIBUTIONS-Additional Problems
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  4. In a Binomial distribution if n = 5 and P(X=3) =2P (X=2) find p.

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  7. The overall percentage of passes in a certain examination is 80 . If s...

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  8. In a hurdle race a player has to cross 10 hurdles . The probability th...

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  9. If f(x) = {(kx^(2),0ltxlt 3),(0,"elsewhere"):} is a probability densit...

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  10. If f(x) = (A)/(pi)(1)/(16+x^(2)),0 ltx lt oo is a probability density ...

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  11. A random variable X has the following probability mass function as fol...

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  12. X is a discrete random variable which takes the values of 0,1,2 and P ...

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  13. Given E(X+C)=8 and E(X-C)=12 The value of C is

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  14. X is a random variable taking the values 3,4 and 12 with probabilites ...

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  15. Variance of the random variable X is 4 . Its mean is 2 . Then E(X^(2))...

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  16. In 5 throws of a die getting 1 or 2 is a success . Then mean number of...

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  17. The mean of a binomial distrution 5 and SD is 2, Then the value of n a...

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  18. If the mean and standard deviation of a binomial distribution are 12 a...

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  19. A box contains 6 red and 4 white balls . If 3 balls are drawn at rando...

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  20. If 2 cards are drawn from a well shuffled pack of 52 cards the probabi...

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