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Old 08-05-2010, 04:54 PM   #2
pdurrant
The Grand Mouse 高貴的老鼠
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Quote:
Originally Posted by pdurrant View Post
Bearing in mind the previous puzzle, are you more likely to get THH or THT?
Answer:
Spoiler:
Nice to see no-one was fooled by my reference to the previous puzzle, at least as I write this. Well done, everyone!

The answer is, of course, that they are equally likely.

However, if I was to ask, "if you start tossing coins, which sequence is more likely to appear first, THH or THT?", the answer is NOT that they are equally likely to appear, as was shown in the previous puzzle.

An interesting look at probability, I think. Just because combinations of results are equally likely to occur in a set of events that's of the same length as the number of results, that doesn't mean they're equally to occur in a long sequence of events.

Last edited by pdurrant; 08-05-2010 at 05:43 PM.
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