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18 October, 23:35

A fair coin is tossed 3 times. What is the probability of at least two consecutive heads?

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  1. 19 October, 01:46
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    Answer: 1 in 8

    Step-by-step explanation: The probability of getting 3 heads when you toss a "fair" coin three times is (as others have said) 1 in 8, or 12.5%. However, that isn't the question you asked. If you toss a coin exactly three times, there are 8 equally likely outcomes, and only one of them contains 3 consecutive heads. So the probability is 1 in 8.
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