3 ms·

If Alice fails, and gets a second head, she only has to get one toss right, and hasn't completely reset her sequence. For Bob, as soon as he sees a tail, his s

If Alice fails, and gets a second head, she only has to get one toss right, and hasn't completely reset her sequence. For Bob, as soon as he sees a tail, his sequence is completely reset and he now has to get two tosses right. I'm not sure how to calculate averages, though.

sixothree 11y ago
So if Alice fails she is halfway through her sequence. But if Bob fails he needs to start over. That makes sense.