What is the chance of flipping heads again?

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You have three coins. One always comes up heads, one always comes up tails, and one is just a regular coin (has equal change of heads or tails). If you pick one of the coins randomly and flip it twice and get heads twice, what is the chance of flipping heads again?

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    90 percent

    silent47 Expert Answered on 1st September 2015.
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