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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. A die is tossed thrice. Find the probability of getting an odd number ...

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  2. Write the formula of Bayes' Theorem with its conditions.

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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. Obtain binomial distribution, if : n=6, p=1/3.Find the mean

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  5. Suppose X has a probability distribution B(6,1/2). find which value of...

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  6. If the mean and variance of a binomial distribution are 9 and 6 respec...

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  7. If P(A) = 1/2, P(B) = 0, P(A//B) is :

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  8. If A and B are events such that P(A/B)=P(B/A), then

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  9. The probability of obtaining an even prime number on each die, when a ...

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  10. Two events A and B will be independent, if:

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  11. Probability that A speaks truth is 4/5. A coin is tossed. A reports t...

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  12. If A and B are two events such that AsubB and P(B) ne 0, then which of...

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  13. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

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  14. If P(A/B) > P(A), then which of the following is correct : :

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  15. If A and B are any two events such that : P(A) + P(B) – P(A and B) = P...

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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. In a box containing 100 bulbs, 10 are defective. The probability that ...

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  19. The probability that a student is not a swimmer is 1/5. Then the prob...

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  20. A die is thrown once, then the probability of getting a number greater...

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