Question: Construct a 95% confidence interval for the average ROA. Based on this confidence interval, what is the maximum ROA that a firm can expect (with

Construct a 95%confidence intervalfor the average ROA. Based on this confidence interval, what is themaximum ROAthat a firm can expect (with 95% confidence)?

1. 5%

2. 4.41%

3. 2.99%

4. 0%

5. -4.38%

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