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29,264 Posts.

3

03/06/25

19:54

Post #: 79301165
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Originally posted by zbusc: ↑

I have previously looked at a similar calculation based on 12 from 20 out of 312
Humbly I'll accept correction from you as required :-
Since there are 20 chances in 312 of picking the first correct card the answer is 1 in 15.6
If first pick is correct i then there is a 19 chance in 311 to pick the next correct card = 1 in 16.4 chance.
For the first 2 correct picks = a 1 in 255 chance (15.6 x 16.4)
So it escalates for the next 10 picks.
I remember that you were more likely to win 6 from 45 lotto twice in a row than picking 12 from 20 out of 312

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I just posted what I picked up on the Internet without fact-checking it so I don't recall correcting anybody.
Anyway, please let us know what the point is of posting examples of low probabilities.
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