Answer:
An attorney is investigating whether it is plausible that the percentage of Wal-Mart employees in Nevada who are over 45 years old is 30%. Which confidence interval would be most appropriate in this situation?
To test the percentage of Wal-Mart employees in Nevada who are over 45 years old is equal to 30% or not, one proportion test can be used.
Explanation:
The confidence interval that would be most appropriate to investigate the plausibility that the percentage of Wal-Mart employees in Nevada who are over 45 years old is 30% is the one proportion test.