Maggie9392 Maggie9392

06-04-2018
Mathematics

contestada

An urn contains 2n balls, of which 2 are numbered 1, 2 are numbered 2, ... , and 2 are numbered n. balls are successively withdrawn 2 at a time without replacement

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SpittingFatLama SpittingFatLama

09-04-2018

she had a 88% chance because she used enough urn

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