A refrigerator manufacturer claims that the mean life of its refrigerators is greater than 18 years. You are asked to perform a hypothesis test to test this claim. (n) How would you write the null and...

Extracted text: A refrigerator manufacturer claims that the mean life of its refrigerators is greater than 18 years. You are asked to perform a hypothesis test to test this claim. (n) 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? 7 18 (a) Ho: H: V 18 (b) Họ: V 18 V 18 Di ren Click to select your answer(s). hple MacBook Air F4 23 2$ 2 3 4 6. 7 8 Q W R Y A F G K C V option command