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Two items are chosen from a lot containing twelve items of which four are defective, then the probability that at least one of the item is defective

A

`19/33`

B

`17/33`

C

`23/33`

D

`13/33`

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The correct Answer is:
A, C
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SURA PUBLICATION-INTRODUCTION OF PROBABILITY THEOREM-EXERCISE 12.5
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  2. Let A and B be two events such that P(bar(A uu B)) = 1/6, P(A nn B) = ...

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  3. Two items are chosen from a lot containing twelve items of which four ...

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  4. A man has 3 fifty rupees notes, 4 hundred rupees notes and 6 five hund...

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  5. A letter is taken at random from the letters of the word 'ASSISTANT' a...

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  6. A matrix is chosen at random from a set of all matrices of order 2, wi...

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  7. A bag contains 5 white and 3 black balls. Five balls are drawn success...

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  8. If A and B are two events such that A sub Band P(B) ne 0, then which o...

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  9. A bag contains 6 green, 2 white, and 7 black balls. If two balls are ...

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  10. If X and Y be two events such that P(X//Y) = 1/2, P(Y//X) = 1/3 and P(...

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  11. An urn contains 5 red and 5 black balls. A ball is drawn at random, it...

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  12. A number x is chosen at random from the set {1,2,3,4, ………., 100}. Defi...

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  13. If two events A and B are independent such that P(A) = 0.35 and P(A uu...

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  14. If two events A and B are such that P (barA) = 3/10 and P(A nn barB) =...

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  15. If A and B are two events such that P(A) = 0.4, P(B) = 0.8 and P(B//A)...

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  16. There are three events A, B and C of which one and only one can happen...

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  17. If a and b are chosen randomly from the set {1, 2, 3, 4} with replacem...

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  18. It is given that the events A and B are such that P(A) = 1/4, P (A//B)...

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  19. In a certain college 4% of the boys and 1 % of the girls are taller th...

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  20. Ten coins are tossed. The probability of getting at least 8 heads is

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