Re: [racket] A small little random tutorial

2012-10-21 Thread Joe Gilray
I had it explained to me this way once. On your first pick to *want* to pick an incorrect door. That way when you switch you will switch to the correct door. What is the probability of picking an incorrect door on the first pick? 2/3. -Joe On Sat, Oct 20, 2012 at 9:07 PM, Gregory Woodhouse wro

Re: [racket] A small little random tutorial

2012-10-20 Thread Gregory Woodhouse
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 wrote: > On 10/20/2012 05:15 PM, Dann

Re: [racket] A small little random tutorial

2012-10-20 Thread Neil Toronto
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

Re: [racket] A small little random tutorial

2012-10-20 Thread Gregory Woodhouse
Right. Entropy is a measure of the information content of the sequence of values. If you think of it as a document you wish to compress, if the rolls were truly random, you won't be able to compress it much. But if 1 were significantly more likely as a result than 6, there would be be opportunit

Re: [racket] A small little random tutorial

2012-10-20 Thread Grant Rettke
On Sat, Oct 20, 2012 at 6:49 PM, Robby Findler wrote: > You could phrase it as "so I decided to write down every result my dad > got and then see how random they really were." Dad is willing to take a 1000 samples right? Racket Users list: http://lists.racket-lang.org/use

Re: [racket] A small little random tutorial

2012-10-20 Thread Robby Findler
You could phrase it as "so I decided to write down every result my dad got and then see how random they really were." On Sat, Oct 20, 2012 at 6:43 PM, Gregory Woodhouse wrote: > You could have some fun with this. For example, what is the entropy of a > sequence of 1000 (or 1) rolls of the di

Re: [racket] A small little random tutorial

2012-10-20 Thread Gregory Woodhouse
You could have some fun with this. For example, what is the entropy of a sequence of 1000 (or 1) rolls of the dice? Sent from my iPhone On Oct 20, 2012, at 4:15 PM, Danny Yoo wrote: > http://hashcollision.org/vegas-blues/ > > The tone ended up being a bit bluer than I expected, hence the

[racket] A small little random tutorial

2012-10-20 Thread Danny Yoo
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! Racket Users list: http://lists.racket-lang.org/users