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A random sample of 10 waiters in Weston,West Virginia,revealed the following hourly earnings,including tips: 19,18,15,16,18,17,16,18,20,and 14.(Units are dollars.)
a.If the hourly earnings are normally distributed with a standard deviation of $4.50,estimate with 95% confidence the mean hourly earnings for all waitresses in Iowa City.
b.Interpret your confidence interval.
Human Resource Controls
Procedures and practices implemented in an organization to manage human resources efficiently, ensure compliance with regulations, and protect the assets of the company.
Indelible Ink
A type of ink that is permanent and cannot be removed or washed away, often used for marking important documents or election processes.
Documentation Procedures
The methods and processes used by a business to record, maintain, and manage its financial and operational information.
Segregation Of Duties
A risk management strategy where critical tasks are divided among different people to prevent fraud and errors.
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