An Automobile Mileage Study Tested The Following Hypotheses Hypothesis Conclusio

An automobile mileage study tested the following hypotheses.

Hypothesis              Conclusion H0:  25 mpg     Manufacturer’s claim supportedHa:  < 25 mpg       Manufacturer’s claim rejected;                                 average mileage per gallon less than stated

For  = 3 and a .02 level of significance, what sample size would be recommended if the researcher wants an 80% chance of detecting that  is less than 25 miles per gallon when it is actually 24 (to the next whole number)?

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