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In a class of 125 students, 70 passed in...

In a class of 125 students, 70 passed in Mathematics, 55 in Statistics and 30 in both. The probability that a student selected at random from the class has passed in only one subject is

A

`13//25`

B

`3//25`

C

`17//25`

D

`8//25`

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1B
  1. If A,B, and C are three events, then P[Acap(BcupC)] =

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  2. If P(A) = 0.4, P(B)=0.5, P(C) =0.6, P(AcapB) = 0.2, P(BcapC) = 0.3, P(...

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  3. The probabilities of three events A,B,C are such that P(A)=0.3, P(B)=0...

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  4. If (1+3P)/(3),(1-2P)/(2) are probabilities of two mutually exclusive e...

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  5. If A Aand B independent P(overlineA) = 2//3, then P(A cap B) = 2//7 th...

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  6. In a class of 125 students, 70 passed in Mathematics, 55 in Statistics...

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  7. In a town 40% people read Enadu, 25% people read Jyothi and 15% people...

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  8. A bag contains 3 red, 4 white and 6 blue balls. 3 balls are drawn at r...

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  9. A bag contains 2 red, 3 black , 4 white balls. 2 balls are drawn at ra...

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  10. An urn contains nine balls of which three are red , four are blue and ...

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  11. A and B are mutually exclusive events with P(A) = (1)/(2)P(B) and A cu...

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  12. If S is a sample space, P(A) = (1)/(3)P(B) and S = A cup B , where A, ...

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  13. Only one of the two events A and B must occur. If P(A) = (2)/(3)P(B), ...

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  14. IF A,B,C are three mutually exclusive events of a trial such that P(A)...

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  15. If A, B, C are mutually exclusive and exhaustive events such that P(B)...

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  16. If A,B,C are mutually exclusive and exhaustive events of a random expe...

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  17. Two horses A and B run a race. If the probability of A's win is twice ...

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  18. Three horses A, B and C are in a race, A is twice as likely to win as ...

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  19. Three students A,B,C are to take part in a swimming competition. The p...

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  20. In a competition A, B and C are participating . The probability that A...

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