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GeneralRe: Bayesian stats & a Q Pin
raddevus16-Dec-20 11:51
mvaraddevus16-Dec-20 11:51 
GeneralRe: Bayesian stats & a Q Pin
DRHuff16-Dec-20 11:53
MemberDRHuff16-Dec-20 11:53 
GeneralRe: Bayesian stats & a Q Pin
MKJCP17-Dec-20 2:25
MemberMKJCP17-Dec-20 2:25 
GeneralRe: Bayesian stats & a Q Pin
Amarnath S16-Dec-20 13:58
professionalAmarnath S16-Dec-20 13:58 
GeneralRe: Bayesian stats & a Q Pin
raddevus17-Dec-20 2:37
mvaraddevus17-Dec-20 2:37 
GeneralRe: Bayesian stats & a Q Pin
Amarnath S17-Dec-20 3:34
professionalAmarnath S17-Dec-20 3:34 
GeneralRe: Bayesian stats & a Q Pin
Andreas Mertens17-Dec-20 3:33
professionalAndreas Mertens17-Dec-20 3:33 
GeneralRe: Bayesian stats & a Q Pin
raddevus17-Dec-20 4:22
mvaraddevus17-Dec-20 4:22 
Those are actually great questions.

These are my answers and I definitely could be wrong.

Andreas Mertens wrote:
Suppose you start rolling as described. If the first or second roll isn't a 20, do you finish through to the third roll?


1) There is no need to roll the die two more times because each die roll is independent of each other (mutually exlusive outcomes). However, you would simply increment your count of tries and failures that have occurred.

Andreas Mertens wrote:
What if instead of one 20-sided dice, you have 3 of these dice and roll all three at once? Would that change the odds?


2)Effectively no. Because each 20-sided die roll outcome is mutually exclusive to all others whether you roll them at the same time or individually. However, maybe there are some physics involved that affects the way the dice bounce against each other?? However, that isn't really counted in probability math. Instead it is the pure math of just the theoretical values (no physics involved).

Mutually exclusive meaning that if you roll a 20-sided die twice the second roll is in no way affected by the first roll. A non-mutually exclusive event might be like selecting one of three doors for a prize. Once you select a door it is then removed from the choices. So the next choice is only 1 out of 2.
GeneralRe: Bayesian stats & a Q Pin
PhilipOakley17-Dec-20 4:24
professionalPhilipOakley17-Dec-20 4:24 
GeneralThought of the Day Pin
OriginalGriff16-Dec-20 4:57
mveOriginalGriff16-Dec-20 4:57 
GeneralRe: Thought of the Day Pin
W Balboos, GHB16-Dec-20 5:24
mveW Balboos, GHB16-Dec-20 5:24 
GeneralI'm clever this morning Pin
honey the codewitch16-Dec-20 4:47
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GeneralRe: I'm clever this morning Pin
PIEBALDconsult16-Dec-20 5:24
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GeneralRe: I'm clever this morning Pin
Rick York16-Dec-20 5:30
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GeneralRe: I'm clever this morning Pin
trønderen16-Dec-20 5:57
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GeneralRe: I'm clever this morning Pin
Jörgen Andersson16-Dec-20 6:36
professionalJörgen Andersson16-Dec-20 6:36 
GeneralPythagorean Theorem Day today Pin
Amarnath S16-Dec-20 4:32
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GeneralRe: Pythagorean Theorem Day today Pin
W Balboos, GHB16-Dec-20 4:47
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GeneralRe: Pythagorean Theorem Day today Pin
CodeWraith16-Dec-20 6:41
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GeneralRe: Pythagorean Theorem Day today Pin
Slacker00716-Dec-20 8:00
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GeneralRe: Pythagorean Theorem Day today Pin
CodeWraith16-Dec-20 8:09
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GeneralRe: Pythagorean Theorem Day today Pin
trønderen16-Dec-20 14:57
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GeneralRe: Pythagorean Theorem Day today Pin
DRHuff16-Dec-20 7:26
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GeneralRe: Pythagorean Theorem Day today Pin
BabyYoda16-Dec-20 8:25
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GeneralRe: Pythagorean Theorem Day today Pin
jeron116-Dec-20 8:40
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