Exercise: More heads for Bob
Alice and Bob have \(2 n + 1\) coins, each coin with probability of heads equal to \(1/2\). Bob tosses \(n+1\) coins, while Alice tosses the remaining \(n\) coins. Assuming independent coin tosses, show that the probability that after all coins have been tossed, Bob will have gotten more heads than Alice is \(1/2\).