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				 October Madness! 
 For all of October, there will be a 1 in 10 chance that your gold rushes are doubled.
 Then, come November, there will be a 1 in 5 chance that your town travel will net you double experience.
 
 Still to come this year: 5 new zones and a new resourcing minigame!
 
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				Computing the probability that at least one of the following events will occur: 
P(a or b ... or z) = 1 - P(!a and !b ... and !z)
Probability |