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| revprev | Admin | Apr 28'23 at 11:07 | +7 | m | |
| revcur | Admin | (Created page with "An urn contains 10 balls: 4 red and 6 blue. A second urn contains 16 red balls and an unknown number of blue balls. A single ball is drawn from each urn. The probability that...") | Apr 28'23 at 11:04 | +379 |