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Guys, solve this problem. Imagine a class with 10 people in it...

busydude

busydude

Diamond Member
With 5 men and 5 women, what is the probability that two people fart at the same time?

P. S. This is not a homework problem.
 
tynopik said:
well first you can simply to a class of 5 men since women don't fart







they toot
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It depends if the women are hot or not as men will hold it in if they are hotties.

Also you have to assume one of the 5 men is gay so one less likely person who would fart as only manly men have gas. 😉
 
busydude said:
With 5 men and 5 women, what is the probability that two people fart at the same time?

P. S. This is not a homework problem.
Click to expand...

time is continuous. the probability of any two events happening at the same time is 0.
 
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Fayd said:
time is continuous. the probability of any two events happening at the same time is 0.
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That's only if the events are instantaneous. We're talking about events with some duration, so "at the same time" means they overlap in duration somewhat.
 
silverpig said:
That's only if the events are instantaneous. We're talking about events with some duration, so "at the same time" means they overlap in duration somewhat.
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hmm... i'll have to ask a professor what the appropriate distribution for modelling it would be.
 
Fayd said:
time is continuous. the probability of any two events happening at the same time is 0.
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Planck time?

(Though if we're going to a time that brief, the probability would indeed be so close to zero that it would make no difference.)



silverpig said:
That's only if the events are instantaneous. We're talking about events with some duration, so "at the same time" means they overlap in duration somewhat.
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The question needs to be clarified: Must they simply overlap in duration? Or are they to be initiated at the same instant?




Fayd said:
hmm... i'll have to ask a professor what the appropriate distribution for modelling it would be.
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And indeed, the definition of "fart" would need to be defined...right down to some rather "specific" details concerning behavior of lightly pressurized gases, and the physics of a sphincter.
 
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Jeff7 said:
Planck time?

(Though if we're going to a time that brief, the probability would indeed be so close to zero that it would make no difference.)



The question needs to be clarified: Must they simply overlap in duration? Or are they to be initiated at the same instant?




And indeed, the definition of "fart" would need to be defined...right down to some rather "specific" details concerning behavior of lightly pressurized gases, and the physics of a sphincter.
Click to expand...

no, no, events of variable duration and potentially random occurance will be sufficient. 😉
 
silverpig said:
That's only if the events are instantaneous. We're talking about events with some duration, so "at the same time" means they overlap in duration somewhat.
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So, you're saying you have to factor in the length of the fart? A long wet one versus a short dry one versus a multiple fart.
 
Odds are pretty close to zero, so no sense trying to use that as an excuse. If you let one rip everyone is going to know it was you and you alone.
 
The odds increase as time increases as more chance was given for it to happen. Theorically if they are there for infinity the odds are probably 100% as it's bound to happen at some point in time. At least if you don't get into the details like the fact that they need food and stuff.
 
Red Squirrel said:
The odds increase as time increases as more chance was given for it to happen. Theorically if they are there for infinity the odds are probably 100% as it's bound to happen at some point in time.
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One detail you forgot that the OP posted.

What is the probability that two people fart at the same time?
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So that's 10 people total. It could be 1 minute, 1 hour, 1day, .... infinity.
2 people out of 10 farting at the same time, probably approaching zero%. One could fart 1 second ahead and stop, the second could start a few milliseconds after 1st person stops... but that wouldn't be the same time. ^_^:biggrin: WTF is this question about?
 
SKORPI0 said:
One detail you forgot that the OP posted.


So that's 10 people total. It could be 1 minute, 1 hour, 1day, .... infinity.
2 people out of 10 farting at the same time, probably approaching zero%. One could fart 1 second ahead and stop, the second could start a few milliseconds after 1st person stops... but that wouldn't be the same time. ^_^:biggrin: WTF is this question about?
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Yeah, but what I mean is with random farts at random time, over a long enough period, it could happen that two happen at once, and the longer this time period is, the higher are the odds that it does happen at same time, thus why I said if we measure to infinity then it's 100% because it's bound to happen at some point in time where two farts happen at same time. Now farting at same time could mean different things, start at same time, or simply overlap. One might start before the other but if the farts are long enough they might still happen at the same time.

Now if this was a computer simulation, and was single threaded, one could argue that it is impossible for it to happen. :biggrin:
 
Jeff7 said:
Planck time?

(Though if we're going to a time that brief, the probability would indeed be so close to zero that it would make no difference.)



The question needs to be clarified: Must they simply overlap in duration? Or are they to be initiated at the same instant?




And indeed, the definition of "fart" would need to be defined...right down to some rather "specific" details concerning behavior of lightly pressurized gases, and the physics of a sphincter.
Click to expand...

Ok, I am not worried about them originating at the same time. I guess overlapping farts is the main reason sensible thing to calculate.
 
I just had a thought.

for simplicity's sake, until I talk to a professor and get this sorted, let's assume that on average a person is expected to spend lambda time per hour farting. we'll also assume that people's farting is independent (one person's farts does not affect another person's farts)

i'll finish this thought tomorrow.
 
Fayd said:
I just had a thought.

for simplicity's sake, until I talk to a professor and get this sorted, let's assume that on average a person is expected to spend lambda time per hour farting. we'll also assume that people's farting is independent (one person's farts does not affect another person's farts)

i'll finish this thought tomorrow.
Click to expand...

Come on man, I needs an answer.
 
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