Black Jack Strategy 

If you follow basic strategy in Black Jack you can greatly reduce the house edge 
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Since the objective is to beat the dealer without going over 21, the strategy depends upon your hand total versus the dealer's upcard. You always hit if
For other totals the decision depends upon the probability of beating the dealer versus the probability of going bust. For example, if your total is 13 to 16 you'll stand if the dealer's up card is a 2 through 5 and hit otherwise. The dealer will have to take at least another card and the probability of a dealer bust is greater than the probability of beating your hand. Other decisions (using Las Vegas multiple deck) are shown in the table
below.
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