Originally posted by billyjoe
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The HD is for questions like: we have 90 white counters and 10 red ones. What is the chance that in a blind draw of 10 counters we draw 2 red ones?
What you calculated was the combined chance of two independent things to happen, for example the chance to throw anything but a six in two throws. The chance to throw anything but a six is 0.833 (5 in 6), the chance to do this two times in a row is (0.833 * 0.833 =) 0.694.
Now how would we calculate the chance of success for VIP, based on some predictions? I frankly have no idea. I like NBB's weighted average calculation, and I think it is about the best we can do. The problem however is that the predictions are unequal, by which I mean that they are not all formulated as anwers to the question "will VIP gain 15%, yes or no." Combining them (and calculating an average/mean) is therefore very difficult. To give an idea: someone may be 55% right in his bullish calls, but this does not imply that those 55% of his bullish calls reach a 15% gain. And some of the 45% were he was wrong might just reach 15% before the crash.
Regards,
Karel



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