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A random variable has the following prob...

A random variable has the following probability distribution :
Find K.

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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

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  3. A random variable has the following probability distribution : Find ...

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  4. A random variable has the following probability distribution : Find ...

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  5. A random variable has the following probability distribution : Find ...

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  6. A random variable has the following probability distribution : Find ...

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

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

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

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

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

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

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

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  14. In a meeting, 70% of the members favour and 30% oppose a certain propo...

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  15. The mean of the numbers obtained on throwing a die having written 1 on...

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  16. Suppose that two cards are drawn at random from a deck of cards. Let X...

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  17. A die is thrown 6 times. If ‘getting an odd number’ is a success, what...

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  18. A die is thrown 6 times. If getting an odd number is a success, what i...

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  19. A die is thrown 6 times. If getting an 'odd number' is success, find ...

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  20. A pair of dice is thrown 4 times. If getting a doublet is considered a...

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