Suppose in a tournament with only three players left, first place receives $6,000, second place receives $3,000, and third place receives $500. You have a 32% chance of winning first place, 30% chance of winning second place, and 38% chance of winning third place.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 12CYU
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Suppose in a tournament with only three players left, first place receives $6,000, second place receives $3,000, and third place receives $500. You have a 32% chance of winning first place, 30% chance of winning second place, and 38% chance of winning third place.

a.  What would be your expected winnings in this tournament?

b.  The tournament organizer gives you the option to continue playing or stop and split the total prize money, proportional to your current standings. If you currently have 700 of the 1800 chips currently in play, how much would you win if you stopped playing and split the winnings?

c.  Based on parts a and b, should you continue playing or stop and split the money?  Why?

Expert Solution
Step 1

Given data:

The first place amount is A=$6,000.

The second-place amount is B=$3,000.

The third-place amount is C=$500.

The probability of first place is P(A)=32%=0.32.

The probability of second place is P(B)=30%=0.30.

The probability of third place is P(C)=38%=0.38.

a)

The expression for the expected winning amount is,

EW=A×PA+B×PB+C×PC

Substitute the given values in the above expression.

EW=$6,0000.32+$3,0000.30+$5000.38=$3010

 

Thus, the expected winning amount is $3010.

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