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.

asked May 13, 2020 46.7k views

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6 votes

14 + 7 + 10 = 31 marbles total

7/31 = 0.23 or 23%

Timhaak answered May 20, 2020

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