Re: There\'s more to this one!
Bruce,
I agree with your points and figures as you have defined "trial" but have a question. You are only considering it a trial if you have previously achieved success or failure, whereas I consider every flip to be the start of a trial, which means SSSSSF would be two successes in my "trials" and one success in yours. If every flip is the start of a new trial as was my intention, then I would still think that in any sequence of 783 flips that are recorded, on average you would find SSSS once from a unique starting point. Is that incorrect? I bow to your superior statistical skills.
doormat
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