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Two cards are drawn one after the other from a well shuffled pack of 52 cards. Find the mean and variance of the number of red cards.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. Two dice are thrown simultaneously. If X denotes the numbers of sixes ...

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  2. Two cards are drawn with replacement from a well shuffled deck of 52 c...

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  3. Two cards are drawn one after the other from a well shuffled pack of 5...

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  4. An urn contains 4 white and 3 red balls. Find the probability distribu...

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  5. Four balls are to be drawn without replacement from a box containing 8...

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  6. Four defective oranges are accidently mixed with 16 good ones and by l...

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  7. A bag contains 2 white , 3 red and 4 blue balls. Two balls are drawn a...

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  8. Calcuate the mean variance and standard deviation of a number obtained...

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  9. Calcuate the mean, variance and standard deviation of number of heads ...

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  10. A die is tossed once. Let a random variable X be defined as X={(0,if t...

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  11. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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  12. A coin is biased so that the head is 3 times as likely to occur as tai...

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  13. Two bad eggs are mixed accidently with 10 good ones. Find the probabil...

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  14. Find the variance of the distribution:

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  15. Consider the probability distribution of a random variable X: Compute...

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  16. Consider the probability distribution of a random variable X: Compute...

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

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

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

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

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