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17. An automobile owner found that in the 1990s, 76% of Americans said that they would prefer an American-made automobile. He believes that the proportion

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17. An automobile owner found that in the 1990s, 76% of Americans said that they would prefer an American-made automobile. He believes that the proportion is much less than 76% today. He selected a random sample of 56 Americans and found that 38 said they would prefer an American-made automobile. A significance level of a = 0.01 is used. Ho: p = 0.76, Ha: p

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