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Author Topic: Random Test  (Read 9717 times)

vh

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Random Test
« on: May 28, 2012, 11:06:35 PM »
So this is a probability experiment, test, thingy.

Write a random coin sequence, 30 flips long (or more/less if you want). And we can judge how random it is.
(Don't actually flip coins, just make up a sequence).
« Last Edit: May 28, 2012, 11:11:43 PM by mudkipz »
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Darvince

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Re: Random Test
« Reply #1 on: May 28, 2012, 11:11:15 PM »
tails
heads
heads
heads
tails
tails
heads
tails
tails
tails
heads
heads
tails
tails
heads
tails
heads
heads
heads
tails
tails
tails
tails
heads
tails
tails
tails
heads
heads
tails
heads
heads
tails
tails
tails
tails
heads
tails
heads
tails
tails
heads
heads
heads
tails
tails
46 lines

Skirty, I judge your sequence to have a randomness of 0.
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vh

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Re: Random Test
« Reply #2 on: May 28, 2012, 11:13:09 PM »
that has 46 flips i think, please specify how many flips to make things easier.
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vh

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Re: Random Test
« Reply #3 on: May 28, 2012, 11:32:29 PM »
Darvince's sequence changes 22 times back and forth (average amount is 23), so that is about right.

26 tails and 20 heads, (approx 70% chance this equal or more).

However, the most you have are 4 of the same face consecutively, and then chance of having either 5 heads or tails in a row is about 95%

So, nid more randum!
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atomic7732

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Re: Random Test
« Reply #4 on: May 28, 2012, 11:38:53 PM »
htttthtthhhthhhthhhtttthhhhttthhthhththhththhthththhhththththht
63

(clean run taking no advice or anything, this is what I would more or less consider "random")
« Last Edit: May 28, 2012, 11:44:41 PM by atomic7732 »
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Darvince

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Re: Random Test
« Reply #5 on: May 28, 2012, 11:41:29 PM »
httttththhhttthhhthhtttthtthtthhthhthtthhthtthttttththtttthhththttttthhhhtttthhthhthtthht
89
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vh

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Re: Random Test
« Reply #6 on: May 28, 2012, 11:49:29 PM »
Atomic

Changes: 37 (expected 31) so this was off a bit. Not sure how significant it is but i'll do the maffs latuer.
55.6% h
44.4% t
there is a 62% chance you should be more equal with roll distribution
However , you only have a 3% chance of having no consecutive sequences of 5 flips like you sequence does.
« Last Edit: May 28, 2012, 11:55:23 PM by mudkipz »
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vh

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Re: Random Test
« Reply #7 on: May 28, 2012, 11:55:33 PM »
Darvince
Changes: 46 (expected 45) so this is right.

43% h
57% t
there is an 86% chance that you should be more equal

However, there is a 92% chance of having a string of 6 at this point and a 72% chance of having a string of 7 consecutive letters. You have neither.
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Darvince

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Re: Random Test
« Reply #8 on: May 28, 2012, 11:59:06 PM »
ok

httthttthttttttthtthhhhhhththhhhthttththttththhhhhhhttthhhhhhhhtttttththhhhhhhttttthhthtttht
92
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atomic7732

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Re: Random Test
« Reply #9 on: May 29, 2012, 12:00:39 AM »
httththhhhththhhhhtthththhthhhhthhhtttthththtththhhthhththth
60

How about that.
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vh

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Re: Random Test
« Reply #10 on: May 29, 2012, 12:02:11 AM »
okoko working on probs now.
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vh

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Re: Random Test
« Reply #11 on: May 29, 2012, 12:02:49 AM »
(although it'd be helpful if you kept your strings at 90 or less flips so it doens't take forever)
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vh

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Re: Random Test
« Reply #12 on: May 29, 2012, 12:07:24 AM »
darvince

Changes: 36 changes (expected 46) this is way off i think, not yet worked on probabilities.
46 t and 46 h
Pretty even. Would seem strange if you came up with this multiple times, but as one roll, it is random.

Strings are plenty long enough and random, i have no idea how to calculate probabilities of multiple strings, haven't taken probstat yet. (48% of string of 8 consecutive)
Conspicious lack of 2's though.
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vh

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Re: Random Test
« Reply #13 on: May 29, 2012, 12:13:14 AM »
atomic

Changes: 37 (expected 30) a bit off i guess, but not too bad

35 and 25 h and t, respectively

85% chance it should be more equal, 15% more different

Consecutive string of 5 is ok, but you seem to have 5 'hhhhh' and 0 'ttttt' ? which is strange.

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atomic7732

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Re: Random Test
« Reply #14 on: May 29, 2012, 12:22:41 AM »
Quote from: mudkipz on May 29, 2012, 12:13:14 AM
5 'hhhhh' and 0 'ttttt' ? which is strange.
I see one... ? Am I blind?
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vh

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Re: Random Test
« Reply #15 on: May 29, 2012, 12:30:41 AM »
strange, i see none. and i used ctrl-f
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atomic7732

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Re: Random Test
« Reply #16 on: May 29, 2012, 02:43:46 AM »
I meant the 'hhhhh'.
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atomic7732

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Re: Random Test
« Reply #17 on: October 02, 2012, 08:12:25 AM »
hthhhthhtttthhtttttthhhthththhhhhthhhththhhhtthhhhhhtththhhhttthtttttththttthhhh
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vh

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Re: Random Test
« Reply #18 on: October 02, 2012, 11:49:26 AM »
Quote from: atomic7732 on May 29, 2012, 02:43:46 AM
I meant the 'hhhhh'.

yes i dont know what i was thinking with that.
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vh

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Re: Random Test
« Reply #19 on: October 02, 2012, 11:54:16 AM »
Changes: 31 changes (expected 40) this is a bit off.

55%h, 45%t

has more substrings of 'ht', less of ht, and th

expected 20 strings of 1 length, 18 found.

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Darvince

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Re: Random Test
« Reply #20 on: October 02, 2012, 04:55:32 PM »
htttthhthhthtthtthhhtthttttthhtththttthttttthhhhthhhttthhhthhhhhhhttht
70
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Hellpotatoe

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Re: Random Test
« Reply #21 on: October 03, 2012, 02:16:43 AM »
hhhtththhthththtthhthttthththhtthththhhhhtthththhttthhthhthhthththth
70
i think
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blotz

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Re: Random Test
« Reply #22 on: October 03, 2012, 04:03:59 AM »
tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
70
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Darvince

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Re: Random Test
« Reply #23 on: October 03, 2012, 07:38:12 AM »
kol bong
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FiahOwl

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Re: Random Test
« Reply #24 on: October 06, 2012, 12:25:28 PM »
This message is only viewable with Universe Sandbox Galaxy Edition. Access it and much more with promo-code '83377'.
« Last Edit: March 22, 2021, 12:53:32 AM by FiahOwl »
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vh

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Re: Random Test
« Reply #25 on: October 06, 2012, 12:36:10 PM »
INCOMING!!!!
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Darvince

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Re: Random Test
« Reply #26 on: October 06, 2012, 01:55:54 PM »
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Darvince

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Re: Random Test
« Reply #27 on: October 18, 2012, 08:09:38 PM »
htthhhhhhthhtttthhthttthtthtthhthhthtthtthhthhthhtthththhtthhhtthhththhthhttttttthhthhth 76
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Darvince

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Re: Random Test
« Reply #28 on: October 18, 2012, 08:29:02 PM »
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Darvince

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Re: Random Test
« Reply #29 on: May 11, 2013, 09:58:06 PM »
01001000111001100011110011001011010000011010100010110111000100010010001110101

do of this one
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