Answers

2014-06-04T18:07:56+08:00
Probability is defined by (the number of favorable outcomes)/(the number of possible outcomes)

Fisrt spin: 4 / 12 = 1/3
Second spin: 3 / 12 = 1/4
Third spin: 4 / 12 = 1/3

Multiply: 1/3 * 1/4 * 1/3 = 1/36 or 2.78%
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