average many times I flip a coin to show three consecutive faces? How many average times I throw a dice to appear three sixes in a row? I replied: To the first question solve the equation x = (1 / 2) * (1 + x) + (1 / 4) * (2 + x) + (1 / 8) * (3 + x) + (1 / 8) * 3 x = 14 times. For the second question solve the equation x = (5 / 6) * (1 + x) + (5 / 36) * (2 + x) + (5 / 216) * (3 + x) +3 / 216 x = 258 times. León-Sotelo
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