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A bag contains 14 gray, 7 black and 10 white marbles. A marble is drawn at random. What is the theoretical probability, as a decimal, of drawing a black marble? Round the decimal to the nearest hundredth.
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A bag contains 14 gray, 7 black and 10 white marbles. A marble is drawn at random. What is the theoretical probability, as a decimal, of drawing a black marble? Round the decimal to the nearest hundredth.

User Luka Cerrutti
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1 Answer

6 votes

14 + 7 + 10 = 31 marbles total

7/31 = 0.23 or 23%

User Timhaak
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8.1k points
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