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Blackjack experts? or math experts?

Discussion in 'Online Casinos' started by rick07, Mar 12, 2009.

    Mar 12, 2009
  1. rick07

    rick07 Dormant account

    Occupation:
    Manager
    Location:
    toronto
    Will today has been intresting, I was playing at a certain casino, and noticed this streak


    What are the odds of getting 7 blackjacks for the dealer in 25 hands.
    0 for the player. Not in a row, seems like every 3rd hand would be a blackjack.. for the dealer.


    I know its a very small sample size, however this isnt about winning or payouts or etc, just odd wise, 7 blackjacks from unknowned deck size this casino doesnt disclose the decks, in 25 hands.


    Would love to hear back with the odd's and if anybodys seen worse from a non rogued casino.


    Best Regards

    Rick:thumbsup:
     
  2. Mar 12, 2009
  3. aka23

    aka23 Dormant account

    Occupation:
    Technical
    Location:
    Planet Earth
    The chance of 7+ blackjacks in 25 hands is about 1 in 8000. That sounds rare, but if you think about how many sets of 25 hands you had to play to see it, it becomes more reasonable.
     
    1 person likes this.
  4. Mar 12, 2009
  5. GaryWatson

    GaryWatson Dormant account

    Occupation:
    Marketing Consultant
    Location:
    Europe
    aka, stuff the neg rep you gave me, lol. Lets bring it to the table. We should do this live. Lets do a Q&A online.
     
  6. Mar 12, 2009
  7. rick07

    rick07 Dormant account

    Occupation:
    Manager
    Location:
    toronto
    Thanks for your reply,

    not sure what you ment how many sets of 25 hands comment ment,


    This was the first time ive played at the casino, only 25 hands were played ever it makes any difference.

    I also won 0 hands out of 25, 2 pushs 2x 21's and in total 7 blackjacks for the dealer, and 0 busts for the dealer within those 25.


    if any of that information made a difference to change the odds from 1-8000 let me know please,

    Thank you again for your time to answer this question.:notworthy
     
  8. Mar 12, 2009
  9. GaryWatson

    GaryWatson Dormant account

    Occupation:
    Marketing Consultant
    Location:
    Europe
    It means nothing other than set up posts. CM, ban me for this, otherwise i will keep calling out the spammer. AKA, I have given you a challenge, but I want it in real time.
     
  10. Mar 12, 2009
  11. NASHVEGAS

    NASHVEGAS Banned User - flamming, disrespecting admin,

    Occupation:
    LOL
    Location:
    MERS
    Odds are .4825. Sorry my little calculator only goes 5 decimals which are all zeros:eek:..........I am guessing I need 8 or 9 decimals and the first 7 would be goose eggs.
     
    Last edited: Mar 12, 2009
  12. Mar 12, 2009
  13. aka23

    aka23 Dormant account

    Occupation:
    Technical
    Location:
    Planet Earth
    I assumed you'd played a lot more than 25 hands of blackjack. I meant if you'd played 1000 hands of BJ to complete a wagering requirement, the odds of having a run of 7+ out of 25 blackjacks within that 1000 hands is a lot higher than the quoted 1 in 8000. One could make a similar statement for the # of hands played with the software before seeing the issue.

    Winning 0 out of 25 hands has a lot lower odds than 7 out of 25 hands being BJs. The chance of winning 0 out of 25 is ~(1-0.435)^25 ~= 1 in 1.6 million (assuming optimal strategy).

    With which software did this occur?
     
  14. Mar 12, 2009
  15. aka23

    aka23 Dormant account

    Occupation:
    Technical
    Location:
    Planet Earth
    No, that is the odds of losing a hand. The chance of not getting a win is not the same of loss (remember that there were pushes).
     
  16. Mar 12, 2009
  17. GaryWatson

    GaryWatson Dormant account

    Occupation:
    Marketing Consultant
    Location:
    Europe
    AKA, lets entertain the public with your knowledge. i challenge you live
     
  18. Mar 12, 2009
  19. aka23

    aka23 Dormant account

    Occupation:
    Technical
    Location:
    Planet Earth
    I have no idea what you are talking about. I may be open to a Q/A, as you described, but I'd need more information.
     
  20. Mar 12, 2009
  21. rick07

    rick07 Dormant account

    Occupation:
    Manager
    Location:
    toronto
    Thank you once again, I am just waiting on the casino to sumbit the play-history to me,

    so i can post it here for a futher view from people.

    I wont name the casino, cause i dont want to cause any problems, but its not
    microgaming,playtech,bossmedia,rival, or any of the major ones. This casino uses it's own software, also has no audits done or any sort of payout proof history/aduits by thrid parties.. Ive heard good things about this casino, payout speeds etc so i figured i'd give it a try.. boy was that a mistake... or i just won the nagtive jackpot of odds in badluck :eek2:

    If and when this casino gives me the history, i;ll glady post it.
     
  22. Mar 12, 2009
  23. NASHVEGAS

    NASHVEGAS Banned User - flamming, disrespecting admin,

    Occupation:
    LOL
    Location:
    MERS
    I also remember (hopefully correctly) from Eliot Jacobson's book "THE BLACKJACK ZONE", that the Dealer running thru a perfect shoe where a shoe assumes 27 hands played has an expectation of occurring once in every 500,000,000 shoes.

    You will probably have racked up winning 6,7,8 or 9 Powerball lotteries so the Dealer having a perfect shoe will not really be a big deal:D:rolleyes::D
     
    Last edited: Mar 12, 2009
  24. Mar 12, 2009
  25. NASHVEGAS

    NASHVEGAS Banned User - flamming, disrespecting admin,

    Occupation:
    LOL
    Location:
    MERS
    The 27 vs. 25 was a typo as I was thinking of Eliot's baseball analogy of the perfect game as I typed. Hard to do 2 things at once.:p

    Yes, you are correct as I threw the ~.09 pushes out. But my .48 was actually based on the odds of losing assuming no pushes (which I should have not assumed) or ~ .48/.52 versus ~.43/.48/.09. Kinda ironic that ~.48 can represent losses or wins depending.
     
    1 person likes this.
  26. Mar 12, 2009
  27. GaryWatson

    GaryWatson Dormant account

    Occupation:
    Marketing Consultant
    Location:
    Europe
    You are damn right you have no idea. I Q, you A, you Q, I A, screw your specific stats, lets play. I doubt your ability, you have a forum you have to prove to, Ive replied to a few of their posts
     
  28. Mar 12, 2009
  29. NASHVEGAS

    NASHVEGAS Banned User - flamming, disrespecting admin,

    Occupation:
    LOL
    Location:
    MERS
    No guesses from moi:rolleyes::):)
     
    1 person likes this.
  30. Mar 12, 2009
  31. jas2587

    jas2587 Ueber Meister

    Occupation:
    none
    Location:
    FL
    eww eww waves hand franticaly in the air like Horshack from Welcome Back Kotter I know i know pick me pick me:rolleyes:

    ya know Gabe Kaplin is a profesional poker player also:)

    Cindy
     
    2 people like this.
  32. Mar 12, 2009
  33. tombee

    tombee Experienced Member

    Occupation:
    student
    Location:
    Wageningen, Netherlands
    I've seen these kind of things at bodog.. Lots of BJ's over there and most of the times with the dealer ;) Can't remember to see it anywhere else but chances are small I did not experience this at another casino.
     
  34. Mar 12, 2009
  35. Trollet

    Trollet Meister Member

    Location:
    Sweden
    I just had to put a little answer into this...
    Even if i dont know crap about BJ....
    But..i do know that even if things should be like this or like that..it can be something totally different.

    Take for example Tut Ankh Amun at 3Dice ( i know..its a slot..but i just wanna make a point here)

    On average you get 3 tuts once every 156 spins...
    3 tuts gives you 20 free spins...
    I think my best is 230 free spins...
    So..how many sets of 3 tuts did i get during the first 156 spins?
    Get my point?

    So...i totally ruined the odds for it...
    But...it might as well be the other way around...i can spin 300 spins and not get 1 set with 3...

    Isent that how it works with everything?

    And...isent it also the way we people work.. If i get 230 free spins..im happy as h***...but boy...give me the 300 spins with non...and im just the other way around :)


    ((((HUGS))) Trollet
     
  36. Mar 12, 2009
  37. Casinomeister

    Casinomeister Forum Cheermeister Staff Member

    Occupation:
    Homemaker
    Location:
    Bierland
    Please watch the tone. Thank you.
     
    2 people like this.
  38. Mar 12, 2009
  39. zebedy

    zebedy No!!!! Im Spartacus MM webmeister

    Occupation:
    brain stergeon
    Location:
    Up a Tree
    CM do you ever feel like your the headmaster of a primary school, trying to keep all the children in check :p
     
    4 people like this.

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