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3025. In the urn 10 balls: 6 white and 4 black. They to
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Content: teorver_3025.doc 50 kB
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3025. In the urn 10 balls: 6 white and 4 black. They took out 2 balls in a row. What is the probability that:
a) Both balls are white;
b) Both balls of the same color?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)