Someone on FB doesn't understand independent probability
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mingthething wrote:Oh my farking gawd. Nobody is this dumb.
Scarlett and Ironclad wrote:Campermon,...a middle aged, middle class, Guardian reading, dad of four, knackered hippy, woolly jumper wearing wino and science teacher.
Scarlett and Ironclad wrote:Campermon,...a middle aged, middle class, Guardian reading, dad of four, knackered hippy, woolly jumper wearing wino and science teacher.
igorfrankensteen wrote:Seems to me that going overboard is going overboard. Concluding that a person's understanding of math is identical with their understanding about everything else isn't really an indication of balance, and certainly not of insight. I find that how someone treats a person who is not their equal, is an indication of their own character.
Unless this was all ABOUT the math, like this was a self-proclaimed math genius. Was it?
I'm not sure where the poster pulled this from, but it's the probability of rolling a particular face at least once after N tries.
No, it isn't.This expression is equal to:
[(6/6)N - (5/6)N] = [(6-5)N/6N] = (1/6)N.
You just fucked up elementary algebra, dude.In short, all this individual has done, is derive a different form for the same expression describing the prior probability of N independent events.
Yet this individual is apparently too thick to realise this.
How can you tell? The argument is nonsense regardless.mingthething wrote:Ah. I think there is a slight typo. the N should be outside the outermost parentheses. so [1-(5/6)] exp N would be equal to (1/6) exp N.
VazScep wrote:I'm not sure where the poster pulled this from, but it's the probability of rolling a particular face at least once after N tries.No, it isn't.This expression is equal to:
[(6/6)N - (5/6)N] = [(6-5)N/6N] = (1/6)N.You just fucked up elementary algebra, dude.In short, all this individual has done, is derive a different form for the same expression describing the prior probability of N independent events.
Yet this individual is apparently too thick to realise this.
mingthething wrote:Oh my farking gawd. Nobody is this dumb.
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