An airline company is interested in improving customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 296 customers and found that 216 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? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of a = 0.01?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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An airline company is interested in improving the customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 296 customers and found that 216 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 \( z \)?** 

[Input box for answer]

**What is the \( p \)-value?**

[Input box for answer]

Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of \( \alpha = 0.01 \)? 

[Input box for answer]
Transcribed Image Text:An airline company is interested in improving the customer satisfaction rate from the 70% currently claimed. The company sponsored a survey of 296 customers and found that 216 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 \( z \)?** [Input box for answer] **What is the \( p \)-value?** [Input box for answer] Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of \( \alpha = 0.01 \)? [Input box for answer]
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