Fans A survey of 81 randomly selected people standingin line to enter a football game found that 73 of themwere home team fans. a) Explain why we cannot use this information to con-struct a confidence interval for the proportion of all people at the game who are fans of the home team. *b) Construct a “plus-four” confidence interval and inter-pret it in this context.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 4SE: What is the difference between events and outcomes? Give an example of both using the sample space...
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Fans A survey of 81 randomly selected people standing
in line to enter a football game found that 73 of them
were home team fans.
a) Explain why we cannot use this information to con-
struct a confidence interval for the proportion of all
people at the game who are fans of the home team.
*b) Construct a “plus-four” confidence interval and inter-
pret it in this context.
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