if you flip a coin 100 times

theonlysaneone · **Posted:** Mon Jul 16, 2007 6:20 am

WIS wrote:

zorg wrote:

Depends what coin you're using. Most "Tails" sides weigh a little less than the corressponding "head" side. This changes it somehow.

So its like, 49.9999% heads or 50.00001% tails ect.

I think they did a mythbuster on that. Apparently they proved it wrong or something with bread and butter.

They were trying to prove that the toast always lands butter side down. Of course it doesn't

According to the law of large numbers, the more trials you do, the closer you will likely get to the true probability. Until you get to infinity (which can never happen), there is no guarantee.

Anoohilator · **Posted:** Mon Jul 16, 2007 6:39 am

theonlysaneone wrote:

WIS wrote:

zorg wrote:

Depends what coin you're using. Most "Tails" sides weigh a little less than the corressponding "head" side. This changes it somehow.

So its like, 49.9999% heads or 50.00001% tails ect.

I think they did a mythbuster on that. Apparently they proved it wrong or something with bread and butter.

They were trying to prove that the toast always lands butter side down. Of course it doesn't

According to the law of large numbers, the more trials you do, the closer you will likely get to the true probability. Until you get to infinity (which can never happen), there is no guarantee.

But they also found, that when dropped from table level, it tends to flip once, and land butter-side down.

theonlysaneone · **Posted:** Mon Jul 16, 2007 7:25 am

Anoohilator wrote:

But they also found, that when dropped from table level, it tends to flip once, and land butter-side down.

Eh, it's been a while since I've seen it. That doesn't really apply to the coin flip problem though

Rachel · **Posted:** Mon Jul 16, 2007 12:08 pm

re the toast thing, i've seen a thing about that (on braniac i think), and they worked out that to have toast land butter side up, you'd have to either have really tall tables, or either really small or large pieces of bread.

CWisgood · **Posts:** 1540 **Joined:** Fri Sep 17, 2004 11:39 pm

Is it because the side with butter is heavier than the unbuttered side or something? o_O

Alex · **Posted:** Mon Jul 16, 2007 3:12 pm

CWisgood wrote:

Is it because the side with butter is heavier than the unbuttered side or something? o_O

No, it's because in most instances, there isn't enough time for the bread to flip over twice. (And land unbuttered side up).

CWisgood · **Posts:** 1540 **Joined:** Fri Sep 17, 2004 11:39 pm

Alex wrote:

CWisgood wrote:

Is it because the side with butter is heavier than the unbuttered side or something? o_O

No, it's because in most instances, there isn't enough time for the bread to flip over twice. (And land unbuttered side up).

Ooh, now I get it: if the table is tall or if the toast is small, it gets to flip more, and if it's large enough, it doesn't get to flip.

Uncle Xyzzy · **Posted:** Mon Jul 16, 2007 9:16 pm

No.

There is a 1/(2^100) chance that the same thing will come up every time. Interesting, no?

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if you flip a coin 100 times

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