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A coin-operated drink machine was designed to discharge a mean of9 ounces of coffee per cup. Suppose that we want to carry out a hypothesis

A coin-operated drink machine was designed to discharge a mean of9

ounces of coffee per cup. Suppose that we want to carry out a hypothesis test to see if the true mean discharge differs from9

. State the null hypothesisH

and the alternative hypothesisH

that we would use for this test.

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