This problem is easy to understand, but how about solving it? || 2019 HMMT Combinatorics Problem 4

HMMT, or Havard-MIT Mathematics Tournament, is one of the most prestigious high school math competition there is. Today, we are going over 2019 HMMT combinatorics round problem 4.

The problem explained a game that goes 100 rounds and you gain a coin in each round with certain probability. The question is easy to stated, but solving it is a little tricky. In this video, not only we go over the solution, but also study various aspects of the problem as well as asking related questions.

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