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7. (7pts) A coffee machine dispenses coffee into cups. You are supposed to get 10 ounces of coffee, but the amount varies slightly every time.

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7. (7pts) A coffee machine dispenses coffee into cups. You are supposed to get 10 ounces of coffee, but the amount varies slightly every time. In a random sample of 20 cups, the following amounts were measured: 9.9 9.7 10.0 10.1 9.9 9.6 9.8 9.8 10.0 9.5 9.7 10.1 9.9 9.6 10.2 9.8 10.0 9.9 9.5 9.9 Test the hypothesis Ho :/ = 10.0, H, :/

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