Please show work and explain
7. A report indicated that automobiles manufactured in North America are less fuel C_n efficient than automobiles manufactured in Asia. It is known that automobiles from Asia have a mean fuel efficiency of 22 miles per gallon. To determine if there is evidence to support this claim, a random sample of automobiles manufactured in North America is to be selected and their fuel efficiency determined. The appropriate hypotheses to be tested are A) H 0: _ 22 against Ha: _ 11
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