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A couple more

Posted By: Chuck Bower
Date: Monday, 9 May 2011, at 6:06 p.m.

In Response To: math exercise (no prize for this :) (Chuck Bower)

4) What is the probability that an entry is still alive immediately after the random draw?

5) Assuming all entries are different, what is the minimum number of entries that guarantees at least one will be alive immediately after the random draw?

Again, please indicate how you arrived at your answers.

Messages In This Thread

• Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
  rory -- Monday, 9 May 2011, at 7:47 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Stick -- Monday, 9 May 2011, at 7:50 a.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      rory -- Monday, 9 May 2011, at 7:50 a.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Chiva Tafazzoli -- Monday, 9 May 2011, at 7:53 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Iancho Hristov -- Monday, 9 May 2011, at 7:53 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Christian Munk-Christensen -- Monday, 9 May 2011, at 8:36 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Stein Kulseth -- Monday, 9 May 2011, at 8:50 a.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      rory -- Monday, 9 May 2011, at 8:51 a.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Stein Kulseth -- Monday, 9 May 2011, at 8:59 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    misja -- Monday, 9 May 2011, at 9:53 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    dc-ohio -- Monday, 9 May 2011, at 1:19 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    julie -- Monday, 9 May 2011, at 1:19 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Leonardo Jerkovic -- Monday, 9 May 2011, at 1:26 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      rory -- Monday, 9 May 2011, at 1:45 p.m.
    • CORRECTION
      Leonardo Jerkovic -- Monday, 9 May 2011, at 3:43 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Bill Riles -- Monday, 9 May 2011, at 2:08 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      John O'Hagan -- Monday, 9 May 2011, at 2:36 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Bill Riles -- Monday, 9 May 2011, at 2:50 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      ed olaughlin -- Monday, 9 May 2011, at 3:21 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Bill Riles -- Monday, 9 May 2011, at 3:28 p.m.
  • math exercise (no prize for this :)
    Chuck Bower -- Monday, 9 May 2011, at 2:11 p.m.
    • math exercise (no prize for this :)
      Bob Koca -- Monday, 9 May 2011, at 2:33 p.m.
      • math exercise (no prize for this :)
        Sam Pottle -- Monday, 9 May 2011, at 2:36 p.m.
      • math exercise (no prize for this :)
        eXtreme Gammon -- Monday, 9 May 2011, at 3:12 p.m.
      • math exercise (no prize for this :)
        rory -- Monday, 9 May 2011, at 3:41 p.m.
      • math exercise (no prize for this :)
        Maik Stiebler -- Monday, 9 May 2011, at 6:16 p.m.
    • A couple more
      Chuck Bower -- Monday, 9 May 2011, at 6:06 p.m.
      • A couple more
        Bob Koca -- Monday, 9 May 2011, at 7:29 p.m.
    • math exercise (no prize for this :)
      Joe Russell -- Tuesday, 10 May 2011, at 12:41 a.m.
      • math exercise (no prize for this :)
        Bob Koca -- Tuesday, 10 May 2011, at 12:58 a.m.
        • math exercise (no prize for this :)
          Joe Russell -- Tuesday, 10 May 2011, at 1:22 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    John McDonald -- Monday, 9 May 2011, at 2:26 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    mamabear -- Monday, 9 May 2011, at 2:36 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    KenB -- Monday, 9 May 2011, at 3:13 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Casper van der Tak -- Monday, 9 May 2011, at 3:30 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Bill Riles -- Monday, 9 May 2011, at 3:39 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Casper van der Tak -- Monday, 9 May 2011, at 3:50 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Bob Koca -- Monday, 9 May 2011, at 7:36 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Mark Denihan -- Monday, 9 May 2011, at 3:43 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    ah_clem -- Monday, 9 May 2011, at 3:45 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Justin N. -- Monday, 9 May 2011, at 8:04 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    tem_sat -- Monday, 9 May 2011, at 3:46 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Mislav Kovacic -- Monday, 9 May 2011, at 3:58 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Boris Dekhtyar -- Monday, 9 May 2011, at 4:10 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Marcos Nahhas -- Monday, 9 May 2011, at 4:13 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      neilkaz -- Monday, 9 May 2011, at 5:43 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Marcos Nahhas -- Monday, 9 May 2011, at 6:23 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Mr Majestyk -- Monday, 9 May 2011, at 4:32 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Stick -- Monday, 9 May 2011, at 4:38 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Mark Denihan -- Monday, 9 May 2011, at 7:10 p.m.
        • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
          Stick -- Monday, 9 May 2011, at 7:44 p.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        mamabear -- Monday, 9 May 2011, at 8:56 p.m.
        • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
          rory -- Monday, 9 May 2011, at 11:01 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Bob Koca -- Monday, 9 May 2011, at 7:39 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    zalan -- Monday, 9 May 2011, at 4:36 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    ForestFriend -- Monday, 9 May 2011, at 5:07 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      misja -- Tuesday, 10 May 2011, at 6:44 a.m.
      • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Stick -- Tuesday, 10 May 2011, at 7:33 a.m.
        • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
          misja -- Tuesday, 10 May 2011, at 8:08 a.m.
          • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
            Sebastiaan kuijs -- Tuesday, 10 May 2011, at 8:46 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    adambulldog -- Monday, 9 May 2011, at 5:11 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Matt Cohn-Geier -- Monday, 9 May 2011, at 5:17 p.m.
    • Warning to MCG
      rory -- Monday, 9 May 2011, at 5:24 p.m.
      • Warning to MCG
        Matt Cohn-Geier -- Monday, 9 May 2011, at 5:36 p.m.
        • Warning to MCG
          rory -- Monday, 9 May 2011, at 5:39 p.m.
    • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Chiva Tafazzoli -- Tuesday, 10 May 2011, at 4:57 a.m.
  • random pick
    Chuck Bower -- Monday, 9 May 2011, at 5:53 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Bill Finneran -- Monday, 9 May 2011, at 7:10 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Jason Lee -- Monday, 9 May 2011, at 8:12 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Michael Petch -- Monday, 9 May 2011, at 8:29 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Lucas Bauer -- Monday, 9 May 2011, at 9:15 p.m.
  • for Tom Duggan
    rory -- Monday, 9 May 2011, at 11:06 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Roger Foster -- Tuesday, 10 May 2011, at 12:13 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Bill Riles -- Tuesday, 10 May 2011, at 2:06 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    higonefive -- Tuesday, 10 May 2011, at 8:12 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Havard Raddum -- Tuesday, 10 May 2011, at 8:49 a.m.
  • Tournament Format
    rambiz -- Tuesday, 10 May 2011, at 9:37 a.m.
    • Tournament Format
      rew -- Tuesday, 10 May 2011, at 9:44 a.m.
    • Tournament Format/Info from website
      rory -- Tuesday, 10 May 2011, at 2:09 p.m.
  • Poll so far.
    higonefive -- Tuesday, 10 May 2011, at 9:38 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Barry Silliman -- Tuesday, 10 May 2011, at 11:53 a.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Alfred Mamlet -- Tuesday, 10 May 2011, at 12:03 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Stick -- Wednesday, 11 May 2011, at 2:12 a.m.
    • Resubmit.
      higonefive -- Wednesday, 11 May 2011, at 2:48 a.m.
      • Resubmit.
        rory -- Wednesday, 11 May 2011, at 4:31 a.m.
        • Resubmit.
          Bob Koca -- Wednesday, 11 May 2011, at 6:12 a.m.
          • Resubmit.
            rory -- Wednesday, 11 May 2011, at 6:36 a.m.
        • Resubmit.
          Barry Silliman -- Wednesday, 11 May 2011, at 1:13 p.m.
          • Resubmit.
            rory -- Wednesday, 11 May 2011, at 2:02 p.m.
        • Changing rules
          Chuck Bower -- Wednesday, 11 May 2011, at 2:54 p.m.
          • Changing rules
            rory -- Wednesday, 11 May 2011, at 3:26 p.m.
            • Changing rules
              Bob Koca -- Wednesday, 11 May 2011, at 4:51 p.m.
              • Changing rules
                rory -- Wednesday, 11 May 2011, at 5:01 p.m.
                • Bob Rules!
                  Casper van der Tak -- Wednesday, 11 May 2011, at 5:28 p.m.
                  • Bob Rules!
                    rory -- Wednesday, 11 May 2011, at 5:35 p.m.
                    • Bob Rules!
                      Casper van der Tak -- Wednesday, 11 May 2011, at 8:11 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Ian Shaw -- Tuesday, 17 May 2011, at 4:03 p.m.
  • UPDATE: Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    rory -- Tuesday, 17 May 2011, at 6:37 p.m.
    • UPDATE: Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Casper van der Tak -- Tuesday, 17 May 2011, at 6:57 p.m.
    • UPDATE: Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      Bob Koca -- Tuesday, 17 May 2011, at 8:22 p.m.
    • UPDATE: Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
      BenF -- Tuesday, 17 May 2011, at 11:20 p.m.
      • UPDATE: Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
        Bob Koca -- Wednesday, 18 May 2011, at 1:34 a.m.
    • Update: Joe Russell wins the Giants of Backgammon $100 freeroll
      rory -- Saturday, 4 June 2011, at 4:46 p.m.
  • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
    rory -- Thursday, 26 May 2011, at 1:19 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      BenF -- Thursday, 26 May 2011, at 2:45 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Bob Koca -- Thursday, 26 May 2011, at 3:07 a.m.
      • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
        Casper van der Tak -- Thursday, 26 May 2011, at 6:42 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      KenB -- Thursday, 26 May 2011, at 4:20 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Backgame -- Thursday, 26 May 2011, at 4:22 a.m.
    • But Joe was going to Win!!!
      Michael Petch -- Thursday, 26 May 2011, at 5:19 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      roadkillbooks -- Thursday, 26 May 2011, at 5:58 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      RolldUpTrips -- Thursday, 26 May 2011, at 6:59 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Joe Russell -- Thursday, 26 May 2011, at 10:26 a.m.
      • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
        Joe Russell -- Thursday, 26 May 2011, at 2:01 p.m.
      • New Giants vote...
        Chuck Bower -- Thursday, 26 May 2011, at 2:23 p.m.
      • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
        neilkaz -- Thursday, 26 May 2011, at 3:40 p.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Jason Lee -- Thursday, 26 May 2011, at 11:21 a.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Bill Riles -- Thursday, 26 May 2011, at 2:38 p.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Golden -- Thursday, 26 May 2011, at 4:15 p.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      David -- Thursday, 26 May 2011, at 5:19 p.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      Michael Petch -- Thursday, 26 May 2011, at 5:41 p.m.
      • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
        Bill Riles -- Thursday, 26 May 2011, at 6:14 p.m.
        • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
          Michael Petch -- Thursday, 26 May 2011, at 6:27 p.m.
    • Update: Joe Russell is out of the Giants Invitational and Mary Hickey is in
      adambulldog -- Thursday, 26 May 2011, at 5:48 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    Karen Davis -- Thursday, 26 May 2011, at 4:56 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    MandM1951 -- Thursday, 26 May 2011, at 6:58 p.m.
  • Win $100 USD for picking the Final Four and Champion of the 1st Giants of Backgammon Invitational Tournament!
    rory -- Thursday, 26 May 2011, at 8:22 p.m.
    • The ballot is now closed... *NM*
      rory -- Thursday, 26 May 2011, at 8:23 p.m.
      • The ballot is now closed...
        Leonardo Jerkovic -- Friday, 27 May 2011, at 12:31 a.m.
  • Update: Only 2 players alive with a chance to win the $100 Free Roll for the Giants Tourney
    rory -- Friday, 27 May 2011, at 6:44 a.m.
    • Update: Only 2 players alive with a chance to win the $100 Free Roll for the Giants Tourney
      Joe Russell -- Friday, 27 May 2011, at 1:27 p.m.
    • Update: Only 2 players alive with a chance to win the $100 Free Roll for the Giants Tourney
      julie -- Friday, 27 May 2011, at 2:09 p.m.