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Unbiased bits per flip

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Hi

I would appreciate if you could help me with this question.

Q. A coin that comes up heads with probability 3/4 on each flip can be used to generate more unbiased bits per flip ( on average ) than a coin that comes up heads with probability 7/8.

Is it TRUE or FALSE and How ?

Thanks

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Solution Summary

This shows how to determine if a given statement regarding a coin and unbiased bits per flip is true or false.

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I have attached the solution.

Solution:

Given: P (getting head from the first coin) = ¾ = 0.75 = p1
...

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