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What is the probability of making a type i error

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Reference no: EM132415869

An automobile manufacturer claims that a new Hybrid model will average at least 60 miles per gallon of gas. A sample of 40 cars and and a 5% level of significance will be used for this analysis, The population standard deviation is assumed to be 7 miles per gallon. What is the Probability of a Type II error if the "true" mean is 57 miles per gallon? What is the probability of making a Type I error?

Reference no: EM132415869

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