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If A and B are any two events such that ...

If A and B are any two events such that : `P(A) + P(B) – P(A and `B) = P(A)`, then

A

`P(B/A)=1`

B

`P(A/B)=1`

C

`P(B/A)=0`

D

`P(A/B)=0`

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

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

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

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

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

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

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  9. If P(A)=0.2, P(B)=0.4, P(AuuB)=0.6 , then P(A//B) is equal to

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  10. Let A and B be two events. If P(A)=0.6, P(B)=0.2, P(A/B)=0.5, then P(A...

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  11. If A and B are independent events such that 0 lt P (A) lt 1 and 0 lt P...

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  12. Let 'X' be a discrete random variable. The probability distribution of...

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  13. Let 'X' be a discrete random variable assuming values x1, x2, ...........

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

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  15. If A and B are two events such that AcapBnephi, P((A)/(B))=P((B)/(A))...

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  16. If P(E)=11/36, P(F)=5/36 and P(EnnF)=2/36, then the value of P(E/F) is...

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  17. Two cards are drawn at random and without replacement from a pack of 5...

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  18. An urn contains 10 black and 5 white balls. Two balls are drawn from t...

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  19. Probability distribution of X is given below, then the value of K is ...

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

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