A home improvement company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 274 customers and found that 205 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim by the company. What is the test statistic z? Ex: 2.22 What is the p-value? Ex: 0.123

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A home improvement company is interested in improving customer satisfaction rate from the 70% currently
claimed. The company sponsored a survey of 274 customers and found that 205 customers were satisfied.
Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim
by the company.
What is the test statistic z? Ex: 2.22
What is the p-value? Ex: 0.123
Transcribed Image Text:A home improvement company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 274 customers and found that 205 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim by the company. What is the test statistic z? Ex: 2.22 What is the p-value? Ex: 0.123
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