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Find the mean number of heads in three t...

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

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Find the probability distribution of the number of heads in three tosses of a fair coin.

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Find the probability distribution of number of tails in the simultaneous tosses of three coins

Find the probability distribution of the number of tails in the simultaneous toss of two coins.

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Obtain the probability distribution of the total number of heads occurring in a toss of three unbiased coins.

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A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. The random variable X has a probability distribution P(X) of the follo...

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

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

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

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

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  6. Let 'X' denote the sum of the numbers obtained when two fair dice are ...

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  7. A class has 15 students whose ages are 14,17,15,14,21,17,19,20,16,18,2...

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  8. In a meeting, 70 % of the members favour and 30 % oppose a certain pro...

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  9. Choose the corréct answer in each of the following The mean of the num...

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

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  11. A box contains 5 white, 7 red and 8 black balls. If four balls are dra...

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  12. A box contains 5 white, 7 red and 8 black balls. If four balls are dra...

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  13. A die is tossed thrice. Getting an even number is considered as succes...

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  14. Find the binomial distribution for which the mean is 4 and variance 3....

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

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

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

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

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  19. There are 5% defective items in a large bulk of items. What is the pro...

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  20. Five cards are drawn successively with a replacement from a pack of 52...

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