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A committee of five is to be chosen from...

A committee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either serve together or not at all is

A

`1//2`

B

`5//9`

C

`4//9`

D

`2//3`

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1B
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  2. Out of 7 gentlemen and 4 ladies a committee of 5 is to be formed. The ...

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  3. A committee of five is to be chosen from a group of 9 people. The prob...

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  5. A bag contains 3 white, 3 black, and 2 blue balls. 3 balls are drawn a...

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  6. A letter is taken out at random from 'ASSISTANT' and another is taken ...

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  7. A six faced baised die when thrown shows an even number twice as compa...

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  8. The odds against an event are 5 to 2 and the odds in favour of another...

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  9. If A,B, and C are three events, then P[Acap(BcupC)] =

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

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

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

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

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

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

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

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

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

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

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