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If the probability for A to fail in one ...

If the probability for A to fail in one exam is 0.2 and that for B is 0.3 , then the probability that either A or B fails is

A

0.14

B

0.6

C

0.44

D

0.24

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
  1. At a selection, the probability of selection of A is 1/7 and that of B...

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

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

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

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  5. A man and a woman appear in an interview for vacancies in the same pos...

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  6. A and B are two independent events such that the probability of the bo...

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  7. A and B are two independent events. If the probability that both A and...

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  8. A problem is EAMCET examination is given to 3 students A, B, and C who...

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  9. The probabilities of solving a problem by three students A,B,C indepen...

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  10. The probabilities of a problem being solved by three students are 1/3 ...

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  11. A,B,C are 3 newspaper from a city. 20% of the population red A, 16% re...

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  12. The odds against A solving a problem are 8 to 6 and the odds in favour...

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  13. The odds against A solving a problem are 3 to 2 and the odds in favour...

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  14. The probability of drawing two black balls in successsion from a bag c...

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  15. The probability of drawing two red balls in succession from a bag cont...

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  16. A bag containing 2 white, 3 black and 4 green balls. If 2 balls are dr...

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  17. There are 7 red, and 3 white marbles in an um. If 3 marbles are random...

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  18. Bag A contains 4 white, 3 black balls. Bag B contains 3 white and 5 bl...

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  19. A bag contains 6 white and 4 black balls. Two balls are drawn at rando...

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  20. Bag A contains 4 white, 3 black balls. Bag B contains 3 white ad 5 bla...

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