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The mean of the number of heads in the t...

The mean of the number of heads in the two tosses of a coin is _______.

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Determine variance and S.D. od the number of heads in three tosses of a coin.

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. From a lot of 10 bulbs which include 3 defectives, a sample of 2 bulbs...

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  2. A coin is tossed 5 times . X is the number of heads of observed . Find...

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  3. The mean of the number of heads in the two tosses of a coin is .

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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