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# Chances of landing 9 tails in a row? watch

1. Surely the answer to the question is this: It depends how many tosses you're allowed.
2. It depends on the coin
3. (Original post by abrp)
surely that would depend entirely on the coin design and if true id imagine it wouldnt apply to all the coins in the world...
from what i remember, it applies to all the coins with an image of a head on one side and a tail on the other, i guess this means all english coins/ones featuring the queens head.
i've no proof to back this up, i just felt i'd throw something into the coin debate, shake it up a bit!
4. (Original post by Vivisteiner)
The probability of getting 5 heads and 4 tails is:

9C4 multiplied by 0.5^9 = 126/512 = 63/256

Thats because there are 126 different ways in which you can get 5 heads and 4 tails, and only one way in which you can get 9 tails. Of course, the probability of getting 5 heads and 4 tails is the same (1/512)
I'd assume that he meant "5 heads then 4 tails"
5. (Original post by BJack)
Surely the answer to the question is this: It depends how many tosses you're allowed.
Yeah, toss a coin infinitely many times and you're almost certain to get a sequence of 9 heads in a row.
6. (Original post by tazarooni89)
I'd assume that he meant "5 heads then 4 tails"
Ahhhhhhh.....But that would make you an ASS

and the UMP

Will TION you!

7. (Original post by Vivisteiner)
Ahhhhhhh.....But that would make you an ASS

and the UMP

Will TION you!

It's hilarious when people (mostly teachers) say stuff like this in real life
8. (Original post by Moronic Acid)

It's hilarious when people (mostly teachers) say stuff like this in real life
Thats what the basketball coach (who is a teacher) in the Fresh Prince of Bel Air says.
9. (Original post by Vivisteiner)
Ahhhhhhh.....But that would make you an ASS

and the UMP

Will TION you!
Well you know... assume makes an ASS out of U and ME
10. (Original post by Vivisteiner)
Thats what the basketball coach (who is a teacher) in the Fresh Prince of Bel Air says.
How did I not remember that straight away?!
11. (Original post by Moronic Acid)
How did I not remember that straight away?!
Because you're an ass?

(Original post by tazarooni89)
Well you know... assume makes an ASS out of U and ME
Lol.

So that means if I say 'assume' that makes you an ass as well? Thats kinda harsh.
12. (Original post by Vivisteiner)
Because you're an ass?
That's what I get for making assumptions

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