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Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol ( , p, ) for the indicated parameter. The manufacturer

Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (, p, ) for the indicated parameter. The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature,, of 48 F, ideal for a certain type of German pilsner. The owner of the brewery does not agree with the refrigerator manufacturer, and claims he can prove that the true mean temperature is incorrect.

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