Of course, it is. The probability of getting heads on every toss is always 50%, no matter how much knowledge you have about the coin, its production, environment in which you toss, your tossing technique etc. The same has been true for predicting natural gas prices– they either go up or down.
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"An idea is always a generalization, and generalization is a property of thinking. To generalize means to think." Georg Hegel
“To generalize is to be an idiot.” William Blake
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