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Eight dice are rolled at random. Find t...

Eight dice are rolled at random. Find the mean and variance of number of successes if : getting an odd number is success.

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. The sum and product of the mean and variance of a binomial distributio...

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  2. A die is thrown 6 times. Find the mean and variance of the number of a...

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  3. Eight dice are rolled at random. Find the mean and variance of number...

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  4. Eight dice are rolled at random. Find the mean and variance of number ...

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  5. Two dice are rolled at random 5 times. Obtain the mean and variance of...

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  6. The mean and variance of a binomial variable X are respectively 4 and ...

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  7. If the sum of mean and variance of a binomial distribution is 4.8 for ...

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  8. A discrete random variable 'X' has mean equal to 3 and variance equal ...

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  9. A discrete random variable 'X' has mean equal to 3 and variance equal ...

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  10. Determine the binomial distribution whose mean is 10 and whose standar...

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  11. Determine the binomial distribution whose mean is 10 and whose standar...

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  12. The screws produced by a certain machine were checked by examining sam...

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  13. Given that E and F are events such that P(E) = 0.6, P(F) = 0.3 and P(E...

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  14. Compute P(A|B),if P(B) = 0.5 and P (A cap B) = 0.32

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  15. If P(A)=0.8, P(B)=0.5 and P(B/A)=0.4, find : P(AnnB)

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  16. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4 find: P(A|B)

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  17. If P(A)=0.8, P(B)=0.5 and P(B/A)=0.4, find : P(AnnB)

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  18. Evaluate P(AuuB), if 2P(A)=P(B)=(5)/(13) and P(A//B)=(2)/(5) .

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  19. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(AcapB)

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  20. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(A|B)

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