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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 drawn at random from urn B and placed in urn A. if one ball is now drawn from urn A, the probability that it is found to be red is_____

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The correct Answer is:
`(3)/(5)`
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ML KHANNA-PROBABILITY-Problem Set (1) FILL IN THE BLANKS
  1. A pair of unbiased dice are rolled together till a sum of either 5 or ...

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  2. The probability that a bomb dropped from a plane strikes the target is...

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  3. A pair of dice is thrown 4 times. If getting a doublet is considere...

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  4. A determinant is chosen at random from the set of all determinants of ...

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  5. For a biased die, the probabilities for the different faces to turn up...

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  6. The probability of getting a number between 1 and 100 which is divisib...

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  7. A box contains 100 tickets numbered 1, 2, 3, ... ,100. Two tickets ar...

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  8. P(A cup B)=P(A cap B) if and only if the relation between P(A) and P(B...

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  9. If A and B be two events such that P(A)=0*3 and P(A cupoverline(B))=0*...

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  10. If E(1) and E(2) are exclusive events then P(E(1) capE(2))=

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

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

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  13. If E(1) and E(2) are two events and E(2) is a subset of E(1) then P(E(...

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  14. If two events A and B are such that P(overline(A))=0.3, P(B)=0.4 and P...

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  15. If P(AcupB)=0*9,P(B)=0*4 when A and B are independent events then P(A)...

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

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  17. The probability that India wins a cricket test match against England i...

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