A Fast Food Restaurant Has Automatic Drink Dispensers to Help

A fast food restaurant has automatic drink dispensers to help fill orders more quickly. When the 12 ounce button is pressed, they would like for exactly 12 ounces of beverage to be dispensed. There is, however, undoubtedly some variation in this amount. The company does not want the machine to systematically over fill or under fill the cups. Which of the following gives the correct set of hypotheses

A) H₀: U > 12, H_{a : U < 12.}
B) H₀: U = 12, H_{a : U ≠ 12.}
C) ​H₀: U ≤ 12, H_{a : U > 12.}
D) H₀: U ≥ 12, H_{a : U < 12.}

Correct Answer:

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