Comic Discussion > QUESTIONABLE CONTENT

Random strip button, WTF??

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JorickHorn:
Wow. 50 trials, no 800s. I got both #1 and #2, but nothing higher than 789.

Hobolicious:
Hmm did it 75 times and got 2 : 813 and 809 got a lot of 600's though

Is it cold in here?:
Is the random button powered by ohnorobot? They only go up to the 800s.

Floydian:

--- Quote from: Is it cold in here? on 28 Apr 2008, 17:41 ---Is the random button powered by ohnorobot?
--- End quote ---

It seems to be. I don't really see why though, it's not exactly hard to write a small script to show a random comic.

selkie_upsilon:
woo, this can be analysed

assuming button is truly random and will get strips 1-1134 equally

probability of getting "old" strips= 800/1134 = 0.71
probability of getting "new" strips = (1134-800)/1134 = 0.29

probability of getting "old" strips 50 times in a row = (0.71)^50 = 0.000000036 (silly small number)
this was achieved by JorickHorn, so, random button is probably broken...

how broken? maybe it only gets up to say, 816 strips (as shown by C Patrick Carolan)

so now
probability of getting "old" strips= 800/816 = 0.98
probability of getting strips from 801 to 816 = (816-800)/816 = 0.02
probability of getting any strips beyond 816 = 0

probability of getting "old" strips 50 times in a row = (0.98)^50 = 0.36 (more than one third of the time)
probability of getting at least 1 strip between 801 to 816 = (1-0.36) = 0.64 (more than half the time)
probability of getting 1 to 3 strips between 801 to 816 after clicking 75 times in a row = 75*(0.98)^74*(0.02) + 2775*(0.98)^73*(0.02)^2 + 67525*(0.98)^72*(0.02)^3 = 0.72 (nearly three quarters of the time)
as achieved by Hobolicious =)

this is fun.

I'm bored. Don't hit me.

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