# [racket] A small little random tutorial

 From: Gregory Woodhouse (gregwoodhouse at me.com) Date: Sun Oct 21 00:07:05 EDT 2012 Previous message: [racket] A small little random tutorial Next message: [racket] A small little random tutorial Messages sorted by: [date] [thread] [subject] [author]

```It's funny how working out the probabilities doesn't seem to help. The paradox is truly stubborn. I can explain why changing doors is the right thing to do, but it still doesn't " feel" right.

Sent from my iPhone

On Oct 20, 2012, at 8:49 PM, Neil Toronto <neil.toronto at gmail.com> wrote:

> On 10/20/2012 05:15 PM, Danny Yoo wrote:
>> http://hashcollision.org/vegas-blues/
>>
>> The tone ended up being a bit bluer than I expected, hence the title.
>>
>> Suggestions or comments would be appreciated.  Thanks!
>
> Cute!
>
> It reminds me of a dad/randomness thing from my past, so I got all nostalgic. In a good way, not a PTSD way.
>
> When I was 13, my dad and I both read an article about the Monty Hall problem. (Try http://en.wikipedia.org/wiki/Monty_Hall_problem for an overview.) I agreed with the expert after enumerating the possible outcomes and summing their probabilities; my dad still disagreed. I wrote a small program to simulate the game show and the counts seemed to agree with the probabilities; my dad said the program must be wrong.
>
> Okay, maybe a little PTSD. For heck's sake, the man was a *meteorologist* and a *programmer*. Statistics was half his life, and he could ready my code! Anyway, I know I'm right, and that's all that counts. Right? Right.
>
> Ah, dads and randomness. Makes me a little teary.
>
> Neil ⊥
>
> ____________________
> Racket Users list:
> http://lists.racket-lang.org/users

```

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