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There are three urns each containing seven red, five green, and three white balls, and two...

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Statistics

There are three urns each containing seven red, five green, andthree white balls, and two old urns each containing five red, threegreen, and seven white balls. The urns are identical except for anold or new date stamped beneath the base. If a single red ball israndomly drawn from one of these urns, was it most probably drawnfrom an old urn or a new urn?

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3.9 Ratings (563 Votes)
Here there are three urns each containing 7 red 5 green and 3 white balls Two old urns containing 5 red 3 green and 7 white balls Probability of selecting a old urn 25    See Answer
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