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A microwave oven repairer says that the mean repair cost for damaged microwave ovens is less than $100. You work for repairer and want to test this claim. You find out that a random sample of five microwave ovens has the mean repair cost of $75 and standard deviation of $12.50. At α = 0.05, do you have enough evidence to sustain the repairer's claim?

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  • Category:- Statistics and Probability
  • Reference No.:- M920600

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