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MathGroup Archive 2005

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probability with simulation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60496] probability with simulation
  • From: Sara <ma_sara177 at hotmail.com>
  • Date: Sun, 18 Sep 2005 01:15:51 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

I have a problem with probability. I have to solve a problem av probability with simulation. i have done it with the combinatorial method but I dont know how to use Mathematica to solve the problem with simulation. can any one Help me please. If you want my result with combinatorial method or my try with simulation I can email you. the problems are:

1)Find the probability of getting exactly two 1:s when throwing 5 dices.
Solve this problem with the combinatorial method and by simulation.

We will play a very simple variant of poker. In the deck we have N cards which are
called 1,2, ?, N. Each player is dealt 5 cards randomly. In this game there are 3 types
of hands:
? Straight: The 5 cards form a sequence, e.g. 3,4,5,6,7.
? Parity: The 5 cars are all odd or all even.
? Standard: A hand that is not a Straight or a Parity.
A Straight beats a Parity and a Parity beats a Standard. If we have two hands of the
same type the hand with the highest top-card will win.
Problem 1
Assume that there are 3 players including you. What is the probability that you get a
Straight? Solve this problem first with.
The combinatorial method? (ihave don that)
Simulation?
Do it for N=15. Make a simulation for N=20.
Problem 2
Let us assume N= 30, that there are 4 players including you, that the cards are dealt
and you have a Parity with 20 as top-card. What is the probability that you have a
winning hand?


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