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Urn A contains 6 red and 4 black balls a...

Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 black balls. One ball is drawn at random from urn A and placed in urn B. Then, one ball is drawn at random from urn B and placed in urn A. If one ball is drawn at random from urn A, the probability that it is found to be red, is....

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The correct Answer is:
`32//55`
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ML KHANNA-PROBABILITY-Self Assessment Test
  1. If (1+3p)/(3),(1-p)/(4) and (1-2p)/(2) are the probabilities of three ...

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  2. If (1-3p)/(2),(1+4p)/(3) and (1+p)/(6) are the probabilities of three ...

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  3. Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 ...

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  4. One hundred identical coins, each with probability p , of showing up h...

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  5. India plays two matches each with West Indies and Australia. In any ma...

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  6. There are 3 bags each containing 5 white balls and 2 black balls, and ...

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  7. Consider a family with two children. Assume that each child is as like...

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  8. A coin is tossed 3 times. The probability of obtaining at least two he...

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  9. 8 coins are tossed simultaneously. The probability of getting at least...

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  10. A sample of size 4 is drawn with replacement (without replacement) fro...

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  11. If two events A and B are such that P(A^(C))=0*3 P(B)=0*4 and P(AB^(...

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  12. If A and B are two events such that P(A cupB)=5//6,P(AcapB)=1//3,P(ove...

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  13. A and B each throw a die. Then it is 7:5 that A's throw is not greater...

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  14. Two persons each makes a single throw with a die. The probability they...

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  15. A cricket team has 15 members, of whom only 5 can bowl. If the names o...

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  16. On a toss of two dice, A throws a total of 5, then the probability tha...

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  17. A pair of unbiased dice are rolled together till a sum of either 5 or ...

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  18. For any two events A and B, prove that P[(A cap overline(B))cup(B ca...

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  19. If P(B)=(1)/(4),p(overset(-)A cap B cap overset(-)C )=(1)/(3),P(A cap ...

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  20. If the events A and B are independent, then P(AcapB) is equal to

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