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If P(A) = (4)/(5), P(B) = (2)/(5), P(A n...

If `P(A) = (4)/(5), P(B) = (2)/(5), P(A nn B) = (1)/(2)` then `P(A uu B)` is equal to .

A

`(3)/(10)`

B

`(1)/(5)`

C

`(4)/(5)`

D

`(1)/(2)`

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The correct Answer is:
A
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TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)
  1. The Probability that at least one of the events E(1) and E(2) will occ...

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  2. The probability that at least one of the events A and B occurs is 3/5....

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  3. If P(A) = (4)/(5), P(B) = (2)/(5), P(A nn B) = (1)/(2) then P(A uu B)...

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  4. If P(A) = 0.7, P(B) = 0.4, P(A nn B) = 0.3, then P(A nn B') =

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  5. Let A and B be events for which P(A) = x, P(B) = y, P(A nn B) = z,then...

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  6. If P(A) = 0.25, P(B) = 0.50 , P(A nn B) = 0 . 14 then P(barA nn barB)

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  7. If P(A) = P(B) = x and P(A nn B) = 0.14, then P(A' nn B') =(1)/(3), t...

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  8. Given P(A)=3/5 and P(B)=1/5 . Find P(A "or" B), if A and B are mutuall...

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  9. A coin is tossed and a die is rolled. The probability that the coin sh...

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  10. Two dice are thrown and two coins are tossed simultaneously. The proba...

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  11. The probability of happening of an event A is 0.5 and that of B is 0.3...

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  12. Two events A and B will be independent, if(A) A and B are mutually ex...

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  13. If A and B are two independent events such that P(A) = 0.40 , P(B) = 0...

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  14. If A and B are events having probabilities P(A) = 0.6, P(B) = 0.4 and ...

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  15. If the probabilities for A to fail in anexamination is 0.2 and that fo...

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  16. The probability that a man will live 10 more years is 1//4 and the pro...

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  17. A coin is tossed three times. Event A: two heads appear Event B: l...

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  18. If the events A and B are independent if P(barA) = (2)/(3) and P(barB...

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  19. If A and B are two independent events such that P(B) = 2/7, , P(A uu B...

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  20. For any two independent events E1 and E2 P{(E1uuE2)nn(bar(E1)nnbar(E2)...

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