Viewing profile — l_e_o_n

Edited for clarity.

I'm talking about the whole sequence; you're talking about the number of heads (or) tails in the sequence. The number of heads is a sufficient statistic, so we'll get the same like…

You flip a possibly-biased coin 20 times and get half heads, half tails, e.g. "THHHTTTTTHTHTTHHHTHH". Under the model where the bias is 0.5—a fair coin—the probability of that sequ…