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An urn contains 5 red and 5 black balls....

An urn contains 5 red and 5 black balls. Two balls are randomly selected. Let X represent the number of black balls. What are the possible values of X. is X a random variable?

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. State which of the following are not the probability distribution of a...

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  2. State which of the following are not the probability distribution of a...

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  3. An urn contains 5 red and 5 black balls. Two balls are randomly select...

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  4. Let X represent the difference between the number of heads and the num...

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  5. Find the probability distribution of number of heads in two tosses of ...

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  6. Find the probability distribution of number of tails in the simultaneo...

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  7. Find the probability distribution of number of tails in four tosses of...

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  8. Find the probability distribution of the number of successes in two to...

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  9. Find the probability distribution of the number of successes in two to...

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

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

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  12. A random variable X has the following probability distribution Determ...

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  13. A random variable X has the following probability distribution Determ...

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  14. A random variable X has the following probability distribution Determ...

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  15. A random variable X has the following probability distribution Determ...

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  16. The random variable X has a probability distribution P(X) of the follo...

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  17. The random variable X has a probability distribution P(X) of the follo...

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  18. Find the mean number of heads in three tosses of a fair coin.

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

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

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