Shapley value of each senior = (31 + 3(1/2 + 1/2 + 1))/5040 = 37/840 Shapley value of each junior = (3*(1/6 + 1/6 + 0) + 3*0)/5040 = 1/840 Shapley value of the coach = (30 + 3(1/2 + 1/3) + 1*(1/3))/5040 = 19/840 This is what I got from the expert Can you explain where are 31 and 30 come from

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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  • Shapley value of each senior = (31 + 3(1/2 + 1/2 + 1))/5040 = 37/840
  • Shapley value of each junior = (3*(1/6 + 1/6 + 0) + 3*0)/5040 = 1/840
  • Shapley value of the coach = (30 + 3(1/2 + 1/3) + 1*(1/3))/5040 = 19/840

This is what I got from the expert

Can you explain where are 31 and 30 come from

The basketball team at a small high school consists of 3 seniors, 3
juniors and a coach. In what follows, I use the word "players" to mean
players in the game theory model, including both basketball players
and the coach. To choose the team captain, these are the winning
coalitions:
1) 3 Seniors is winning without any other players.
2) Any group of 4 players including at least 2 seniors is winning.
3) Any group of 5 players or more players is winning.
Determine the Shapley values of the seniors, juniors, and the coach.
Transcribed Image Text:The basketball team at a small high school consists of 3 seniors, 3 juniors and a coach. In what follows, I use the word "players" to mean players in the game theory model, including both basketball players and the coach. To choose the team captain, these are the winning coalitions: 1) 3 Seniors is winning without any other players. 2) Any group of 4 players including at least 2 seniors is winning. 3) Any group of 5 players or more players is winning. Determine the Shapley values of the seniors, juniors, and the coach.
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