Solution of problem N4550 probability theory

📂 Mathematics 👤 Massimo86

Product Description

4550. There are 3 white and 9 black balls in the urn. One ball is taken out of the urn at random. What is the probability that the ball taken out turns out to be black?

Additional Information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Price: $0.21
Seller: Massimo86
Category: Mathematics
Currency: USD

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