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For o3 and a02 level of significane what sample size would

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Reference no: EM13602490

An automobile mileage study tested the following hypothesis:

Hypothesis Conclusion

Ho:µ? 25 Manufacturer's claim supported

Ha:µ< 25 Manufacturer's claim rejected; average mileage per gallon less than stated.

For o=3 and a.02 level of significane, what sample size would be recommended if the researcher wants an 80% chance of deteching that µ is less than 25 miles per gallon when it is actually 24?

Reference no: EM13602490

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