Allstate claims 92% if it's customes are happy with their service. You randomly call 57 customers and find that 45 of them are happy. is this number significantly lower than the claim?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 42SE: In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in...
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Allstate claims 92% if it's customes are happy with their service. You randomly call 57 customers and find that 45 of them are happy. is this number significantly lower than the claim? 

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