A fast-food restaurant has just installed a new automated beverage machine that allows customers to mix various soft drink flavors. The machine is designed to dispense an average of $18$ ounces of beverage on the medium setting. However, the restaurant’s owner is concerned that the actual amount might be greater than that. **Which of the following is an appropriate set of hypotheses for a test about the true mean amount of beverage dispensed from the machine on the medium setting?** [[☃ radio 1]]