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K A refrigerator manufacturer claims that the mean life of its competitor s refrigerators is...

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K A refrigerator manufacturer claims that the mean life of its competitor s refrigerators is less than 16 years You are asked to perform a hypothesis test to test this claim a How would you write the null and alternative hypothesis if you represent the manufacturer and want to support the claim b How would you write the null and alternative hypothesis if you represent the competitor and want to reject the claim a Ho Ha 16 16

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