$10 to do a Math Problem
 

I already posted this in the Math and Probability forums, and I'm growing impatient at a lack of response.

The first person to give a verifiable answer to following problems will be shipped $10 on Stars or FTP.

I'm a bit rusty on my stats, and can't figure this out.

What is the variance of the following two situations?

Situation 1:
Getting 1.5:1 on a coin flip

Situation 2:
Getting 6:1 on a single number, on a the roll of a die

Please show all steps.

FWIW: I have the EVs calculated as:

1:
(1.5x-1x)/2 = 0.25x = E(x)

2:
(6x-5x)/6 = 0.167x = E(x)

Re: $10 to do a Math Problem
 

Dude you know all you will get from BBV is:

A) random numbers
B) witty crap
C) 50/50 IT WILL HAPPEN OR IT WONT
D) 100%


edit - the answer is 50/50 btw

Re: $10 to do a Math Problem
 

Situation 2 variance= 0%

http://www.youtube.com/watch?v=q7ufOkRoShk

Re: $10 to do a Math Problem
 

the answer is 4 to both questions ship it

Re: $10 to do a Math Problem
 

Wait, what are you solving for?

Re: $10 to do a Math Problem
 

If no solution is found within 24 hours from this post, the funniest reply to this thread (totally subjective) will be awarded the $10.

Re: $10 to do a Math Problem
 

[ QUOTE ]
Wait, what are you solving for?

[/ QUOTE ]
[ QUOTE ]
the variance

[/ QUOTE ]

Re: $10 to do a Math Problem
 

Re: $10 to do a Math Problem
 

is that possible?

Re: $10 to do a Math Problem
 

do you own mathamatics of poker? i think they do something like this in chapter 1. i'm at the library writing a paper but if it's not solved i'll look when i get home.