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Question Number 135352 by EDWIN88 last updated on 12/Mar/21

$$\underset{―}{\mathrm{Probability}}$$$$\mathrm{Urn}\mathrm{I}\mathrm{contains}5\mathrm{red}\mathrm{and}3\mathrm{green}\mathrm{balls}.\mathrm{Urn}\mathrm{II}$$$$\mathrm{contains}2\mathrm{red}\mathrm{and}7\mathrm{green}\mathrm{balls}.\mathrm{One}\mathrm{balls}$$$$\mathrm{is}\mathrm{transferred}\left(\mathrm{at}\mathrm{random}\right)\mathrm{from}\mathrm{urn}\mathrm{I}\mathrm{to}\mathrm{urn}\mathrm{II}$$$$.\mathrm{After}\mathrm{stirring},1\mathrm{ball}\mathrm{is}\mathrm{chosen}\mathrm{from}\mathrm{urn}\mathrm{II}.$$$$\mathrm{What}\mathrm{is}\mathrm{probability}\mathrm{that}\mathrm{the}\left(\mathrm{final}\right)\mathrm{ball}\mathrm{is}$$$$\mathrm{green}?$$

Answered by liberty last updated on 12/Mar/21

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