Mathmatics (1 Viewer)

Loppan

Senior Member
Jul 13, 2002
2,528
#1
I have a mathmatics problem:

There is six players who is gonna play against each other. That means 15 matches. The result is either win or loose. What is the possibility that one player win all his/her matches?

The answer is about 63% but I don't know how to get there.
 

Tom

The DJ
Oct 30, 2001
11,726
#2
I have no idea how it could possibly be 63%..assuming the prob of someone winning a match is 0.5

how are the probabilities distributed?
 

hoshi

Senior Member
Sep 2, 2002
924
#3
i think it would be done using the 'choose' function (at least, that's what it's called on my graphics calc)
 

#10

Senior Member
Jul 28, 2002
6,814
#5
tom, my casio has the choose function.....its the button nCr. that reminds me, i shud be doin sum stats revision:fero:
 

Tom

The DJ
Oct 30, 2001
11,726
#10
John I got up to that point but forgot to divide by 100 :groan::D

the nCr button, yep I fot that one, didn't know its name :D:D
 

hoshi

Senior Member
Sep 2, 2002
924
#12
C refers to the nCr button on the calculator

i loved stats when i did it in high school but i've forgotten it all now
 
OP
OP
Loppan

Loppan

Senior Member
Jul 13, 2002
2,528
#13
++ [ originally posted by hoshi ] ++
C refers to the nCr button on the calculator

i loved stats when i did it in high school but i've forgotten it all now
Ok, but what does it stand for like ^ . I have a graph calc but I couldn't find the button.
 

#10

Senior Member
Jul 28, 2002
6,814
#15
ah...the C button basically stand for choose.

i dont think it stands for the choose function. Not sure on a graphical calculator, but i could find out for u.
 

#10

Senior Member
Jul 28, 2002
6,814
#19
hey, id hate to have to do the stats wiv out the calculator...could do it, but weve been specifically tought how to use the calculator....besides u cant write 22318008 on ur abacus!!
 

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