Random Variables, Random Process, Probability, Deep Dives, Statistics.
even or at k=(N-1)/2 and k=[(N-1)/2 + 1] if N is odd. To understand why it peaks at these values we appeal to the coin’s unbiasedness as follows: When your coin is unbiased, the expected number of times it’ll turn up Heads in a sequence of N flips is N/2. And so, this is the expected number of