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# Percentages

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If i do something that has a 1% chance of something happening and i do it 100 times, how much % is the possibility of it actually happening?

Guest Apr 14, 2017
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You're asking about "empirical" probability as opposed to "theoretical" probabilty......they are not necessarily the same.....

For instance......if we flipped a coin 100 times........we should expect that "heads" would occur 50 times  =  50/100 = 1/2  = 50% probability of heads.....this iis the theoretical probability

However......if you actually do this.......the coin may actually come up "heads"  either more or less than 50 times........this is the "empirical" probability (the "observed" probability)

So....1%  =  1/100 chance, theoretically, of something happening......however....the empirical probabilty may be more or less depending upon the observed results

CPhill  Apr 14, 2017

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