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A coin is biased so that the head is 3 t...

A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
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  3. A coin is biased so that the head is 3 times as likely to occur as tai...

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

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

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

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

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

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

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

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

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

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

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  19. A die is thrown 6 times. If getting an odd numebr is a succes, what is...

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  20. A die is thrown 6 times. If getting an odd numebr is a succes, what is...

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