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Four balls are to be drawn without repla...

Four balls are to be drawn without replacement from a box containing 8 red and 4 white balls. If X denotes the number of red balls drawn, find the probability distribution of X.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
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  2. An urn contains 4 white and 3 red balls. Find the probability distribu...

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

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

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

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

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

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

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

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

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

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  12. Find the variance of the distribution:

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

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

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

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

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

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

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

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

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