Six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile. Their responses are given below.
Develop a 95% confidence interval for the proportion of all consumers who prefer to purchase domestic automobiles.

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Six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile. Their responses are given below.
  Develop a 95% confidence interval for the proportion of all consumers who prefer to purchase domestic automobiles.

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The Answer of Six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile. Their responses are given below.
  Develop a 95% confidence interval for the proportion of all consumers who prefer to purchase domestic automobiles.

Six Hundred Consumers Were Asked Whether They Would Like to Purchase