In a recent study, the following percentages of U.S.
Chapter 11, Problem 7(choose chapter or problem)
In a recent study, the following percentages of U.S. retail car sales based on size were reported: 30.6% small, 45% midsize, 7.3% large, and 17.1% luxury. A recent survey of sales in a particular county indicated that of 100 cars sold, 25 were small, 50 were midsize, 10 were large, and 15 were luxury cars. At the 0.05 level of significance, can it be concluded that the proportions differ from those stated in the report?
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