deal or no deal
Rocco Moretti
roccomoretti at hotpop.com
Thu Dec 22 11:22:02 EST 2005
rbt wrote:
> The TV show on NBC in the USA running this week during primetime (Deal
> or No Deal). I figure there are roughly 10, maybe 15 contestants. They
> pick a briefcase that has between 1 penny and 1 million bucks and then
> play this silly game where NBC tries to buy the briefcase from them
> while amounts of money are taken away from the list of possibilities.
> The contestant's hope is that they've picked a briefcase with a lot of
> money and that when an amount is removed from the list that it is small
> amount of money not a large amount (I categorize a large amount to be
> more than 100,000)
Well, if the contestants' choices are truly random, and they stick with
their first choice all the way to the end, each contestant wins, on
average, $131 477.54 (sum(amounts)/len(amounts)).
Assuming that the buyout offer is always less than (or equal to) the
average of the still-available amounts, NBC will (on average) never have
to pay out more than ~$132k per contestant. Likely they'll pay out less,
because most people will get nervous before the very end, and will take
the low ball offer NBC is fronting.
What I would really like to know, is how they calculate the offer.
Obviously, they set the upper limit at the average of the still standing
offers, but I wonder if and how they take subsequent rounds into
consideration. Is there a "Monty Hall"
(http://en.wikipedia.org/wiki/Monty_Hall_problem) type consideration
that needs to be taken into effect as cases are eliminated?
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