A question about pseudorandom

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A question about pseudorandom

Postby Dmitry » Tue May 29, 2012 6:41 pm UTC

In true random, there is a chance, though astronomical of say, never losing a 1 in 20 million chance lottery, by always being lucky enough to get the lucky ticket.

The question is, is it truly possible in pseudorandom, that at some point, it will always give the same number, to some person, all the time, just because he is that lucky...

Because it feels impossible, even in unlimited attempts, to get even two 1 in 20 million lottery winning tickets in a row, let alone say, 1000.

Just curious...

What are your thoughts?
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Re: A question about pseudorandom

Postby eSOANEM » Tue May 29, 2012 6:45 pm UTC

Dmitry wrote:The question is, is it truly possible in pseudorandom, that at some point, it will always give the same number, to some person, all the time, just because he is that lucky...


It will depend on the exact algorithm used to produce the pseudorandom numbers. Some algorithms will prevent the same number coming up too many times in a row (like the shuffle function on an ipod). Other algorithms (such as a ball drop lottery) will not look at the previous output and so, with the right conditions (exactly what these are will depend on the algorithm) arbitrarily long strings of the same number are possible.
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