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  • 0 posts edited
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  • 31 votes cast
Feb
25
revised Stars & Bars Method With Binary Numbers that Could Be Negative
edited title
Feb
25
asked Stars & Bars Method With Binary Numbers that Could Be Negative
Jan
20
comment Unlikely Events - Where does the Natural Force of Mean Reversion Kick In?
I understand turkey, I understand what your saying but still... What does it mean for something to be an average of a 50 heads on a game of a 100 coin flip with a $stdv=sqrt(np(1-p))=+/-5$. We are simply saying if we play this game of 100 flips thousands of times that 68% of the outcomes ( numbers of heads at the end of the game) should be be within 95 and 105. but it doesn't mention how far outliers outside these bands can continue running. Or if they at some point will ever revert back to within what the numbers intially predicted before the simulations were ran.
Jan
20
comment Unlikely Events - Where does the Natural Force of Mean Reversion Kick In?
Ha! Your funny paw but for this scenario the coin is fair, we are just looking at one scenario of an incredibly low probability event. What is mean reversion, this is what I want to know if nothing is anchoring the number of heads from going to a full 100.
Jan
20
asked Unlikely Events - Where does the Natural Force of Mean Reversion Kick In?
Dec
22
comment Distribution of Cumulative Heads in a Coin Flip Game
I used excel. This is the function I used. =if(rand()<.5,1,0). I am 100% confident it has nothing to do with the number generation.
Dec
22
asked Distribution of Cumulative Heads in a Coin Flip Game
Dec
18
comment The probability of Breakeven On a Coin Toss Game
Ha! Let's forget about the consequences if we don't pay the loan shark for the moment and go the heart of the question, should you keep betting? The probability of a H-T on each flip 50-50. So I can understand that picking Tails on each coin flip shouldn't make a difference. OR...... you can look at from cumalitive perspective. What is the probability I get TTTTT on 5 coin flips, Ans(1/32). What is the probability of getting p(HHHTT), answer 10/32.
Dec
18
comment The probability of Breakeven On a Coin Toss Game
Ha! Ya, lets assume no harm can be done to you and the interest is a fair one. Let's just ignore that in this case.
Dec
18
asked The probability of Breakeven On a Coin Toss Game
Nov
27
comment Taking a Derivative of a Random Variable
$f$ is a real number. It's the value I am trying to maximize. $w$ is the random variable.
Nov
21
asked Taking a Derivative of a Random Variable
Sep
1
revised Computing Fast Fourier Transform in R
added 23 characters in body
Sep
1
comment Computing Fast Fourier Transform in R
Yes, the stat program. sorry about the confusion, i'll make the edit. thought this forum would be more apt than stack overflow because it really is more of a math question.
Sep
1
revised Computing Fast Fourier Transform in R
added 63 characters in body
Sep
1
asked Computing Fast Fourier Transform in R
Aug
20
awarded  Popular Question
Jul
2
awarded  Curious
May
19
comment Interesting Probability Game With Uneven Return Scenarions
They don't sum to 1, they sum to .981921(etc)
May
19
revised Interesting Probability Game With Uneven Return Scenarions
added 60 characters in body