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If P(A) = 0.4, P(AcupB) =0.8 and A,B are...

If P(A) = 0.4, `P(AcupB) =0.8` and A,B are independent then P(B)=

A

0.2

B

0.3

C

0.5

D

0.6

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
  1. If A, B are two independent events such that P(A) = 3/4, P(B) =2/5 the...

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  2. If A,B are two independent events such that P(A) = 0.5, P(barB) = 0.3 ...

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  3. If P(A) = 0.4, P(AcupB) =0.8 and A,B are independent then P(B)=

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  4. If A and B are two independent events such that P(B) = 2/7, P(AcupB)=0...

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  5. If A and B are two independent events such that P(barA cap B) = 2//15 ...

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  6. If A and B are two independent events of a random experiment such that...

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  7. If E(1), E(2) are independent events in a random experiment with P(E(1...

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  8. If E(1), E(2), are independent events, such that P(E(1) cap E(2)) = 1...

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  9. If E(1), E(2), are independent events, such P(E(1) cap E(2))= 1//8, P...

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  10. A and B are two candidates seeking admission in IIT. The probability t...

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  11. Let A and B be two events such that P(overline("A cap B")) = 1//6, P(A...

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  12. If A and B are events such that P(AcupB)=(5)/(6),Pbar((A))=(1)/(4)and...

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  13. Let two fair six-faced dice A and B be thrown simultaneously . If E(1)...

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  14. If A(i=1,2,3….n) are n independent events with P(A) = (1)/(1+i) for ea...

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  15. The probabilities of a problem being solved by two students are 1/2 an...

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  16. The probability that A can solve a problem is 2/3 and that B can solve...

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  17. At a selection, the probability of selection of A is 1/7 and that of B...

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  18. The probability that a boy will get a scholarship is 0.9 and that a gi...

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  19. If the probability for A to fail in one exam is 0.2 and that for B is ...

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

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