Re: Variance
Dave wrote: "In blackjack, a person or team can reduce their variance by playing more than one hand at a table."
Just as an addendum to what irchans and BruceZ have said, the reduction in variance occurs when you proportionally reduce your bet size. For example, the blackjack team can reduce their variance by a factor of 2 if they choose to play two hands, each with 1/2 the bet size, instead of just 1.
heihojin
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