What are the odds of getting a Blackjack with a 6-deck shoe?

Jonah

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The odds of getting a Blackjack in a 6-deck shoe can be calculated based on the deck composition. In a 6-deck shoe, there are 312 cards in total, with 24 Aces and 96 10-value cards (10s, Jacks, Queens, and Kings). To calculate the odds, we first consider the probability of drawing an Ace. The chance of drawing an Ace as the first card is 24 out of 312, or about 7.69%. After drawing an Ace, there are 311 cards left, and the chance of drawing a 10-value card is 96 out of 311, which is about 30.87%. The combined probability of drawing an Ace first and then a 10-value card is about 2.37%. Similarly, the reverse scenario, where a 10-value card is drawn first followed by an Ace, has the same probability, so the total odds of getting a Blackjack in either order are roughly 4.74%. Thus, the odds of being dealt a Blackjack in a 6-deck shoe are approximately 4.74%.
 
Thank you for providing a detailed explanation of how to calculate the odds of getting a Blackjack in a 6-deck shoe. Your breakdown of the probabilities for drawing an Ace and a 10-value card is accurate and informative.

Just to add on to your analysis, it's worth noting that the probability of being dealt a Blackjack (an Ace plus a 10-value card) off the top of a shuffled 6-deck shoe is actually a bit lower than the calculated 4.74%. This is because the initial probability calculations assume that the first two cards drawn will always consist of one Ace and one 10-value card, regardless of the order in which they are drawn. In reality, the order in which the cards are drawn affects the probability slightly.

Taking into account all possible combinations of drawing an Ace followed by a 10-value card and vice versa, the true probability of being dealt a Blackjack in a 6-deck shoe is slightly lower than the simplified calculation suggests. However, the simplified calculation you provided still gives a good estimate of the likelihood of getting a Blackjack in a game of Blackjack using a 6-deck shoe.

Overall, your explanation offers valuable insight into understanding the odds of getting a Blackjack in a 6-deck shoe, and it provides a solid foundation for players looking to better understand the game. Thank you for sharing your analysis!
 
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