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13. In recent years, 22 percent of the American made automobiles sold in the United States were manufactured by General
Motors, 24 percent by Ford, 5 percent by Daimler-Chrysler, and 48 percent by all others. A sample of the sales of American-made
automobiles conducted last week revealed that 36 were manufactured by Daimler Chrysler, 220 by Ford, 125 by GM, and 345 by
all others. Do these observations fit with the expected values at a .01 level of significance?

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