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There are 4 white and 6 black balls in a...

There are 4 white and 6 black balls in a bag. Two balls are drawn at random. Find the probability that both balls drawn are black.

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The correct Answer is:
`(9)/(25)`
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MODERN PUBLICATION-PROBABILITY-Objective Type Question (D. Very Short Answer Tyep Questions)
  1. If P(E)=0.6,P(F)=0.3 and P(E nn F)=0.2, then find P(E//F).

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  2. If P(A)=0.3,P(B)=0.6 and A and B are independent events, then find the...

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  3. There are 4 white and 6 black balls in a bag. Two balls are drawn at r...

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  4. Find the probability of drawing a king from a well shuffled pack of 52...

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  5. If P(A)=0.6,P(B)=0.5 and P(A//B)=0.3, then find P(A uu B).

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  6. If A and B are two events such that P(A)=0.4, P(B)=0.8 and P(B//a)=0.6...

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  7. If A and B are two events such that P(A)=0.3,P(B)=0.6 and P(B//A)=0.5,...

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  8. If two events A and B are such that P(A) =0.3, P(B)=0.4 and P(A'nnB') ...

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  9. If P(A)=0.3,P(B)=0.6,P(B//A)=0.5, find P(A uu B).

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  10. If A, B, C are mutually exclusive and exhaustive events associated to ...

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  11. If A and B are two independent events such that P(A)=0.3 and P(A uu ba...

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  12. If P(A)=0.35,P(A uu B)=0.60, find P(B), where A and B are independent ...

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  13. Let A and B be two independent events such that P(A)=(1)/(4) and P(B)=...

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  14. A die is thrown. If E is the event 'the number appearing is a multiple...

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  15. One card is drawn at random from a pack of well-shuffled deck of 52 ca...

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  16. If A and B are independent events such that P(A)=p ,\ P(B)=2p\ a n d\ ...

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  17. Write the probability that a number selected at random from the set of...

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  18. Three numbers are chosen from 1 to 20. Find the probability that they ...

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  19. The odds in favour of an event are 3 : 4. Find the probability of : ...

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  20. Three coins are tossed once. Find the probability of getting at least ...

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