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Rerandomize [fx-5800P]

fx-5800P

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#1 Tritonio

Tritonio

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    FX-5800P, FX-991ES+, FX-991EX, HP Prime

Posted 19 September 2019 - 10:31 PM

This program will allow you to produce fair or unfair coin tosses using ANY unfair coin. So for example you can have a coin that lands on tails 25% of the time. Using that coin and this program you can emulate a fair coin (50% tails) or even a coin that brings 33% tails, or any other unfair coin! Pretty cool huh?

 

Just make sure that your unfair coin is actually a proper coin. Each flip should be uncorrelated to previous flips. Real coins, even unfair coins, have no memory. If your coin has memory (e.g. brings tail more often after a tail and head more often after a head) then this program will not work properly.

 

I don't remember where I learned the technique but I think it was from here: https://amakelov.wor...xpected-tosses/

"SIMULATED PROB"?P
Lbl 0
1➔I
Lbl 1
Do
"COIN TOSS"?➔A
"COIN TOSS"?➔B
LpWhile A=B
If A:Then
Frac(Intg(Px2^(I))÷2)x2➔D
"SIMULATED TOSS:":D◢
Goto 0
IfEnd
I+1➔I
Goto 1






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