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an automobile owner found that 20 years ago 76% of Americans said they would prefer th...

an automobile owner found that 20 years ago 76% of Americans said they would prefer th purchase an American automobile he believes that the number is much less than 76% today he selected a random sample of 56 Americans and found that 38 said they would prefer an American automobile can it be convluded that the percentage today is less than 76 % at a =0.01 is he correct

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