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A letter is taken out at random from 'AS...

A letter is taken out at random from 'ASSISTANT' and another is taken out from 'STATISTICS' . The probability that they are the same letters is

A

`1//45`

B

`13//90`

C

`19//90`

D

none

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1B
  1. Three groups of children contain 3 girls and one boy , 2 girls and 2 b...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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