Probability of getting blackjack statistics You will get the 25 bonus spins only if you deposit £25 or more. The maximum Bonus available to you will be the equivalent to 100% of your deposit amount and no more than £50. In order to receive the Offer, you will be required to claim the Bonus whilst making the first deposit. Blackjack Statistics: Some Quick Stats To Keep In Mind Before And During Play. Numbers Don’t Lie. Getting a blackjack once every 21 hands means that you should theoretically have gotten about 10 blackjacks. Sometimes you’ll get more blackjacks in two hours of play, sometimes less, but on average you’ll get 10. Blackjack is getting both an ace and ten value or face card from the same deck, at the same hand. Simple probability tells us its the probability of getting an ace (4/52) or 10 value card (ten, jack, king, queen; 16/52) followed by the opposite one you’re missing.

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dlarcher10

What are the Odds of Losing 6 Hands in a Row? Posted February 18, 2016 by Ken Smith. Among emails I receive, a fairly common question is something like this: Can you tell me the odds of losing six hands in a row at blackjack? Sometimes it is 5 hands, sometimes 8, sometimes more. No matter, I cringe whenever I get this question. If the probability of a blackjack is p then the probability of not getting any blackjacks in 10 hands is 1-(1-p) 10. For example in a six deck game the answer would be 1- 0.952511 10 = 0.385251. What are the odds of getting 3 blackjacks in a row with 1 deck 4 players and one dealer.

There is a video blackjack machine that offers a bonus for having 4 blackjacks at the same time (dealer blackjack excluded).
What are the chances of getting 4 blackjacks?
A single deck is used.
We get to play on 7 hands per game.

Hunterhill

I don't know the odds, but this has to be one of the worst bonuses I've heard of.

Romes

Thanks for this post from:

Hi dlarcher10, welcome to the forums.
I'd encourage you to 'sound this out' and try to solve it yourself, even though I'm providing the info below. Problems like this sound really complicated, but really aren't when you 'sound it out' and take the probably one piece at a time.
In statistics when you need multiple events to happen (frequently when you use the word 'AND') the resulting probability is multiplicative.. When any one of multiple events could happen (frequently when you use the word 'OR') the resulting probability is additive. Thus:
P(4 blackjacks) = P(1st blackjack) * P(2nd blackjack given 1st) * P(3rd blackjack given 1st 2) * P(4th blackjack given 1st 3)
P(1st blackjack) = P(1st ace BJ) OR P(1st 10 BJ) = P(1st ace 2nd 10) + P(1st 10 2nd ace) = [(4/52)*(16/51)] + [(16/52)*(4/51)] = (.0769*.3137) + (.3077*.0784) = .0241 + .0241 = .0482.. or ~4.8% chance of getting dealt a blackjack (~1 in 21 hands, as shown previously by the Wiz).
P(2nd blackjack given 1st) = (same as above just remove one ace, 10, and 2 total cards from the deck).. [(3/50)*(15/49)]*2 = (.06*.3061)*2 = .0368, or ~3.7%
P(3rd blackjack given 1st 2) = (same as above with more removals).. [(2/48)*(14/47)]*2 = .0248, or ~2.5%
P(4th blackjack given 1st 3) = (same as above with more removals).. [(1/46)*(13/45)]*2 = .0126, or ~ 1.3%
Thus, P(4 blackjacks) = .0482 * .0368 * .0248 * .0126 = .0000005543, or ~ .00005543%.. which is ~1 in 1.9 million.
I'd expect the payout to be a million bucks, and then they'd still be shorting you. So more than likely a terrible bet.

dlarcher10

2 * (16/52 * 4/51) = 128/2652
128/2652 * Number of hands = 128/2652 * 7 = 896/2652 ~ 1/3
Did you take into account that any of the 7 hands can make 4 blackjacks?

ThatDonGuy

Thanks for this post from:

Assuming there are 7 players:
There are (7)C(4) = 35 groups of 4 players that can have the blackjacks
The first player can have any of 4 aces and any of 16 10-cards, or 64 possible hands
The second player can have any of the 3 remaining aces and any of the 15 remaining 10-cards, or 45 hands
The third player can have either of the 2 remaining aces and any of the 14 remaining 10-cards, or 28 hands
The fourth player can have the remaining ace and any of the 13 remaining 10-cards, or 13 hands
The first of the other three players can have any of the (44)C(2) remaining hands, the second any of the (42)C(2) remaining hands, and the third any of the (40)C(2) remaining hands.
Divide this product by (52)C(2) x (50)C(2) x (48)C(2) x (46)C(2) x (44)C(2) x (42)C(2) x (40)C(2), and you get about 1 / 51,685.
Simulation seems to confirm this calculation.

ThatDonGuy

2 * (16/52 * 4/51) = 128/2652
128/2652 * Number of hands = 128/2652 * 7 = 896/2652 ~ 1/3
Did you take into account that any of the 7 hands can make 4 blackjacks?

I think he missed the part where it said they could play up to 7 hands.
If there are only 4 hands, the probability is about 1 / 1,808,900
If there are 5, about 1 / 361,800
If there are 6, about 1 / 120,600

dlarcher10

7 x 2 x 16/52 x 4/51 = 896/2652
6 x 2 x 15/50 x 3/49 = 540/2450
5 x 2 x 14/48 x 2/47 = 280/2256
4 x 2 x 13/46 x 1/45 = 104/2070
896/2652 x 540/2450 x 280/2256 x 104/2070 = 1/2153
I'd like to know if I am wrong please.
Thank you for your answers

Romes

..Did you take into account that any of the 7 hands can make 4 blackjacks?

No, I simply 4 hands in a row getting blackjack, without replacement.

Playing it correctly means you've already won.

ThatDonGuy

Thanks for this post from:

You are counting every deal 24 times.
You appear to be saying, 'Any of the 7 players can have any of the four Aces, and for each one, any of the other 6 players can have any of the three remaining Aces,' but you are counting each hand where, for example, Player A has the Ace of Spades and Player B has the Ace of Hearts twice.
Any of the 7 players can have the Ace of Spades, but you should then be multiplying it by 1/52 instead of 4/52. Similarly with the Aces of Hearts, Clubs, and Diamonds.

gordonm888

Here are the 35 ways that 7 hands can be 4 Blackjacks and 3 non-blackjack hands.
B = Black jack, X = Non-blackjack
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BBBXBXX

Probability Blackjack Questions

BBBXXBX
BBBXXXB
BBXBBXX
BBXBXBX
BBXBXXB
BBXXBBX
BBXXBXB
BBXXXBB
BXBBBXX
BXBBXBX
BXBBXXB
BXBXBBX
BXBXBXB
BXBXXBB
BXXBBBX Probability blackjack questions

BXXBBXB
BXXBXBB
BXXXBBB
XBBBBXX
XBBBXBX
XBBBXXB
XBBXBBX
XBBXBXB
XBBXXBB
XBXBBBX
XBXBBXB
XBXBXBB
XBXXBBB
XXBBBBX

Blackjack Probability Statistics

XXBBBXB

Blackjack Statistics

XXBBXBB
XXBXBBB
XXXBBBB
This is probably not my most interesting post.

So many better men, a few of them friends, were dead. And a thousand thousand slimy things lived on, and so did I.

Remember the movie National Lampoon’s Vegas Vacation, when gambling fever consumes Chevy Chase’s character, Clark W. Griswold? He goes on a losing streak to beat all losing stre

Probability Of Getting Blackjack Statistics