Head and Head again

I have a biased coin that comes up tails with probability 1 3 \frac{1}{3} .
I tossed the coin twice, and I obtain Heads and Heads.

What would be the result of the next coin toss?

Heads No idea Tails

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1 solution

Potsawee Manakul
Aug 11, 2015

Each event is independent, so the probability that you will get a Head or a Tail is the same, i.e. 2/3 and 1/3. Thus, you cannot say the actual result.

It's surprising how many people think it means "1 in 3 must be a Tail".

Chung Kevin - 5 years, 10 months ago

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