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A home improvement company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 210 customers and found that 126 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 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1?v Select No Yes 3

A home improvement company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 210 customers and found that 126 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 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1?v Select No Yes 3

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 6CST
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A home improvement company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 210 customers and found that 126 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 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1? v Select No Yes 3
Transcribed Image Text:A home improvement company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 210 customers and found that 126 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 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1? v Select No Yes 3
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