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Find the mean, variance for the following probability distribution:
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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. A random variable has the following probability distribution : Does ...

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  2. A random variable has the following probability distribution : If y...

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  3. Find the mean, variance for the following probability distribution: .

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  4. Find mu, sigmax^2 and sigmax for the following probability distributio...

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  5. Find mu, sigmax^2 and sigmax for the following probability distributio...

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  6. Find mu, sigmax^2 and sigmax for the following probability distributio...

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  7. Find mu, sigmax^2 and sigmax for the following probability distributio...

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  8. Two dice are thrown simultaneously. If X denotes the number of sixes, ...

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  9. Find the mean and variance of the number obtained on a throw of an unb...

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  10. Let X denote the sum of the numbers obtained when two fair dice are ro...

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  11. Find the mean and variance of the probability distribution of the numb...

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  12. Find the probability distribution of number of doublets in three throw...

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  13. Two cards are drawn simultaneously ( without replacement) from a well-...

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  14. Two cards are drawn simultaneously (or successively without replacemen...

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  15. Two cards are drawn successively with replacement from a well-shuffled...

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  16. A coin is tossed 4 times. Let X denote the number of heads. Find the p...

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  17. Find the mean and variance of the number of heads on the throw of thre...

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  18. Two numbers are selected at random (without replacement) from the firs...

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

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  20. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

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