Expected value of game = 1/2 * 0 + 1/4 * 1 + 1/8 *2 + 1/16 *4 +1/32 * 8+....
= 0 +.25 +.25 +.25 +.25 +...
= infinity





"Eva Pao" <epao@mba2002.hbs.edu< on 05/13/2001 03:11:46 PM
Please respond to <epao@mba2002.hbs.edu<
To: <John.Arnold@enron.com<
cc:
Subject: waiting




-----Original Message-----
From: John.Arnold@enron.com [mailto:John.Arnold@enron.com]
Sent: Sunday, May 13, 2001 4:37 PM
To: epao@mba2002.hbs.edu
Subject: Re: Extra credit



rules to a game:
You flip a coin. If you get tails you win 0. if you get heads, i give you
$1. Keep flipping until you get a tails, at which point you walk away with
the money. however, each heads you get after the first you double your
money. So if you flip heads 3 times and then tails, you get $4. What's
you bid/offer on playing this game? (would you pay $.5 to play? $1? $2?
what you charge me play against you?)