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Two balls are drawn from a bag containin...

Two balls are drawn from a bag containing 5 white and 7 black balls. Find the probability of selecting 2 white balls if
the first ball is not replaced before drawing the second.

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The correct Answer is:
`5/12xx4/11`
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ARIHANT PUBLICATION-PROBABILITY-ODISHA BUREAU.S TEXT BOOK SOLUTIONS (EXERCISE 6(A))
  1. Two balls are drawn from a bag containing 5 white and 7 black balls. F...

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  2. Two balls are drawn from a bag containing 5 white and 7 black balls. F...

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  3. Two cards are drawn from a pack of 52 cards, find the probability that...

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  4. Two cards are drawn from a pack of 52 cards, find the probability that...

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  5. Do both parts of problem 2 if 3 cards drawn at random.

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  6. Do both parts of problem 2 if 4 cards are drawn at random.

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  7. A lot contains 15 items of which 5 are defective. If three items are d...

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  8. A lot contains 15 items of which 5 are defective. If three items are d...

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  9. A pair of dice is thrown. Find the probability of getting a sum of at ...

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  10. A pair of dice is thrown. If the two numbers appearing are different ,...

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  11. A pair of dice is thrown. If the two numbers appearing are different ,...

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  12. A pair of dice is thrown. If the two numbers appearing are different ,...

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  13. In a class 30% of the student fail in Mathematics,20% of the student f...

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  14. In a class 30% of the student fail in Mathematics,20% of the student f...

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  15. In a class 30% of the student fail in Mathematics,20% of the student f...

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  16. If A,B are two events such that P(A)=0.3, P(B)=0.4,P(AcupB)=0.6 Find ...

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  17. If A,B are two events such that P(A)=0.3, P(B)=0.4,P(AcupB)=0.6 Find ...

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  18. If A,B are two events such that P(A)=0.3, P(B)=0.4,P(AcupB)=0.6 Find ...

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  19. If A,B are two events such that P(A)=0.3, P(B)=0.4,P(AcupB)=0.6 Find ...

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  20. If A, B are events such that P(A)=0.6, P(B)=0.4 and P(AcupB)= 0.2 the...

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