butteSuobWestelowe butteSuobWestelowe

08-01-2017
Mathematics

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Players a, b, and c toss a fair coin in order. the first to throw a head wins. what are their respective chances of winning

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welshfella welshfella

08-01-2017

Probability a gets a head = 1/2
.. .. .. b .. .. ... .. = P(a gets tail) * 1/2 = 1/2 * 1/2 = 1/4
.. ... . .. c .. .. .. .. . = P(and and b gets tail) * 1/2 = 1/4 * 1/2 = 1/8

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