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Conditional probability P(B//A) is defin...

Conditional probability `P(B//A)` is defined only when a

A

A is a sure event

B

B is a sure event

C

A is not an impossibility

D

B is an impossibility

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The correct Answer is:
C
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MARVEL PUBLICATION-PROBABILITY-MULTIPLE CHOICE QUESTIONS
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  2. A bag contains 16 coins of which two are counterfeit with heads on bot...

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  3. Conditional probability P(B//A) is defined only when a

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  4. Conditional probability P(A//B') is defined only when

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  5. Following are the wages of 8 workers in rupees: 50, 62, 40, 70, 45, 56...

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  6. For two events A and B, P (B) = 0.3, P (A but not B) = 0.4 and P (not ...

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  7. If P(overline A cup B) = 5/6, P(A) = 1/2 and P(overlineB) = 2/3," then...

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  8. If P(A) = a, P(B) = b and P(A cap B) = c," then : " P(overlineA cap ov...

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  9. For three events A,B,C the probability that only A occur is (A) P(A...

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  10. If 2 coins are tossed, probability that the second coin would show a t...

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  11. What is the probability that 4 children selected at random would have ...

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  12. In the above example, probability that his wages are above Rs. 200 is

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  13. In Ex. 230, probability that his wages are between Rs. 160 and Rs. 220...

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  14. A card is drawn from each of two well-shuffled packs of cards. Probabi...

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  15. If 2 dice are thrown, probability that the two numbers turned up diffe...

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  16. If 2 dice are thrown, probability that the two numbers turned up diffe...

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  17. A player has 7 cards in hand of which 5 are red and of these five 2. a...

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  18. Probability that A speaks truth is 3/5, and that for B is 7/10. If the...

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  19. Probabilities of A, B and C becoming managers are 4/9, 2/9 and 1/3 res...

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  20. If P(A) = P(B) = x and P(A cap B) = P(A'cap B')," then : " x=

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