every 21 hands
Long story short, what are the odds of getting a blackjack?
In 6 decks, there are 24 aces, 96 ten-value cards, and 312 total cards. The sum of the the two probabilities is 4.749% which means that you'll get blackjack once out of every 21 hands.
Beside that, what are the odds of winning 10 blackjack hands in a row? By not following their advice, you have around a 99.9% chance of winning the dollar, and a 0.01% chance of losing all the money you walked in with. In fact because the amount you would lose when you get ten bad hands in a row is so catastrophically high, the expected amount you win overall is still negative.
On top of this, what does a soft 17 mean in blackjack?
A soft 17 includes an Ace being counted as 11. Ace-6 is a soft 17, as are Ace-2-4, Ace-3-3, Ace-Ace-5 and others. When the dealer hits soft 17, the house edge against a basic strategy player is about two-tenths of a percent higher than if he stands.
What are the odds of losing 9 blackjack hands in a row?
What about other length losing streaks?