An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 165 customers and found that 125 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company. What is the test statistic z? Ex: 1.23 What is the p-value? Ex: 0.456 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.01? Select

MATLAB: An Introduction with Applications
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An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 165 customers and found that 125 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company.

An airline company is interested in improving customer satisfaction rate from the 70% currently claimed.
The company sponsored a survey of 165 customers and found that 125 customers were satisfied.
Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by
the company.
What is the test statistic z? Ex: 1.23
What is the p-value? Ex: 0.456
Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company
at a significance level of a = 0.01? Select
Check
1
Next
2
3
Transcribed Image Text:An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 165 customers and found that 125 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company. What is the test statistic z? Ex: 1.23 What is the p-value? Ex: 0.456 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.01? Select Check 1 Next 2 3
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