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help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:07:18
you did something like N or less
0
1
null
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:07:22
or maybe N or more
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:07:28
i read exactly N
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:07:59
are you saying i'm thinking about a cumulative probability?
0
1
null
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null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:08:11
not really
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:08:16
i don't know
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:09:33
1-(5/6)^N is not(die lives for N rolls)
0
1
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:09:37
so N or less
0
1
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null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:09:38
For one die, P(rolling a six in N rolls) = 1-(5/6)^N, correct?
0
1
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:09:58
yes
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:09:58
it's a branching process except no branching
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:10:01
that's N or less
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:10:08
gimme a sec, this is semi-advanced probability theory
0
1
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:10:14
yeah
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:10:37
it is a difficult problem but i believe it can probably be solved with simple probability math
0
1
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:10:41
nope
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:10:54
hopes=crushed
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:10:57
it's a branching process, you want to bring in the heavyweight stuff, gimme a sec
0
1
null
null
null
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:10:59
you;re answering a different question
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:11:23
it asks not more and not less than N
0
1
null
null
null
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:11:36
and you're only doing not more
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:11:46
well
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:11:50
hmm
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:12:35
you're right, i'm doing it cumulatively when it should probably be considered individually
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:12:48
wait i'm a fool
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:12:56
yeah it's simple enough that you can do it with basic prob
0
1
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:12:58
ok so
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:13:01
oh?
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:14:29
probability that it lives through 24 rolls is (5/6)^24 probability that it dies on the 25th roll is 1/6 so probability that it survives 24 rolls but dies on the 25th is just gonna be (1/6) * (5/6)^24
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:14:45
ok
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:14:49
that's 1 die
0
1
null
null
null
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:14:50
we know that at least one is like this
0
1
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null
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:14:57
tru
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:15:02
the rest can be anything, they can live to 25 or less
0
1
null
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null
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:15:20
ok so really we want the probability that none live to 26
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:15:34
minus the probability that none live to 25
0
1
766,866,943,566,938,100
demaw
0427
demaw
false
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:15:42
damn
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:15:54
💯
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:16:00
no i'm erratic
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:16:02
i'm changing it up
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:16:07
this is not what i was originally saying
0
1
null
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null
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null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:16:11
i'm starting over
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:16:57
probability that none live to 26 is (1 - P)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:17:13
where n is the number of dice, P is the probability that any single one makes it to 26
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:17:20
P is (5/6)^26
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:17:57
so it's (1 - (5/6)^26)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:18:04
then the probability that none live to 25 is just
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:18:10
(1 - (5/6)^25)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:18:32
so the probability that at least one lives to 25 is 1 - (1 - (5/6)^25)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:18:52
wait, bugger
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:18:56
conditionals
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:19:07
end me
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:19:56
this is killing me
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:21:11
so the probability that it ends after N trials is equal to (1-(5/6)^N)-(1-(5/6)^(N-1)) or is that not true
0
1
null
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null
null
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:21:47
ok it's fine
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:22:06
have you solved the problem o great statistical problabilical genius
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:22:13
the probability that none make it to 26 is (1 - (5/6)^26)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:22:27
the probability that at least one lives to 25 is 1 - (1 - (5/6)^25)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:22:48
and you can do it for every number
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:22:50
so the probability that at least one makes it to 25 but none make it to 26 is the second minus the first
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:22:52
substitute 26 for N and 25 for N-1 so that we can get a true representation of the variables initially presented in the problem
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:22:53
and kill them off at the last moment
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:22:59
1 - (1 - (5/6)^25)^n - (1 - (5/6)^26)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:23:12
final answer
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:23:39
maybe
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:24:02
it rings tru
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:24:06
no
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:24:07
maybe
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:24:07
it's gibberish
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:24:09
yea
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:24:11
there's no way it rings true
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:24:12
it's madness
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:24:13
i put it in desmos
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:24:16
it's too complicated
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:24:17
it fucking sucks
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:24:30
how is this problem so difficult
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:28:27
(1 - (5/6)^26)^n − (1 - (5/6)^25)^n
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:28:38
just an extra 1 -
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:28:55
all die minus all die too early
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:29:34
P(A) = P(a single one reaches 25) = (5/6)^25 P(B) = P(a single one reaches 26) = (5/6)^26 P(C) = P(none of the n dice reach 25) = (1 - P(A))^n P(D) = P(none of the n dice reach 26) = (1 - P(B))^n ||P(C' and D) = P(at least one die reaches 25 but none reach 26) = P(D) - P(C and D) = P(D) - P(C) = (1 - P(B))^n - (1 - P...
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:29:39
ok done
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:29:45
that looks more reasonable now
0
1
null
null
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null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:30:20
but 26 should be before
0
1
null
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null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:30:37
why
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1
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null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:30:45
oh no yeah
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1
null
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null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:30:45
oh
0
1
null
null
null
null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:30:48
i goofed it
0
1
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help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:31:09
other than that, though, would it be correct
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help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:31:37
ok fixed
0
1
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null
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help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:31:59
wait
0
1
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null
null
1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:32:03
ok so 26 > 25
0
1
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help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:32:16
so (5/6)^26 < (5/6)^25
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1
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:32:31
so 1 - (5/6)^26 > 1 - (5/6)^25
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1
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help-10
ee448639576c4143891f4790ad67b2df
141,791,176,540,946,430
frownyfrog
03/14/2022 22:32:40
no, that's larger
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1
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:32:43
fixed already
0
1
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:32:56
so (1 - (5/6)^26)^n > (1 - (5/6)^25)^n
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1
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1,253
help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:33:02
so (1 - (5/6)^26)^n - (1 - (5/6)^25)^n > 0
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1
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help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:33:06
which is what we want to see
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help-10
ee448639576c4143891f4790ad67b2df
209,767,680,100,663,300
Kaisheng21
03/14/2022 22:33:08
done
0
1
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null
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1,253
help-10
ee448639576c4143891f4790ad67b2df
766,866,943,566,938,100
demaw
03/14/2022 22:33:19
yea i believe that would be the correct solution
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