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[Probability] Coin Recursion: Robinhood [Medium]

afacc123

By afacc123
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afacc123 Sr. Hero

afacc123

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Good morning!

Here's today's problem:

This problem was asked by Robinhood.

A biased coin, with probability p of landing on heads, is tossed n times. Write a recurrence relation for the probability that the total number of heads after n tosses is even.

 

 

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