Inspired by a question in Gayle Laakmann McDowell's Cracking the Coding Interview.
Also published on my blog.
Let's say a friend challenges you ...
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Love this! Cc @walker
good stuff. demonstrates a core principle in sports (or any game of chance): if you're actually good/better at something (i.e. p>0.5), you want more opportunities to do it since "truth" and sample size work together. If you're not, you'd love the variance of fewer games. It's why great baseball teams hate having to play a short series against a mediocre opponent in the divisional round.