The Coin Battle

Probability Level 2

Your friend challenges you to a coin battle, you pick heads, the challenge is, you have to flip a coin three times and the person with 3 of each side of the coin (3 heads, you win, 3 tails your friend wins). What is the probability of you winning?

2/9 1/8 3/5 5/9

Ved Bammanhalli by Ved Bammanhalli , 22, Hong Kong

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1 solution

Rio Schillmoeller
May 12, 2019

1 2 \frac{1}{2} * 1 2 \frac{1}{2} * 1 2 \frac{1}{2} = 1 8 \frac{1}{8} . Therefore it is 1/8

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