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A city has four exit ramps off an interstate highway. Historically the percentages of exiting cars using exits 1 through 4 are 24%, 38%, 21% and 17%, respectively. After completion of a major urban renewal program 5,000 cars were observed exiting the highway. The numbers using exits 1 through 4 are show below. The city planners want to know if there is evidence to conclude that a change in the percentage of cars using the exits.
Exit 1 2 3 4
Total No. cars exiting 1124 1993 1019 864 5000
Conduct hypothesis test using\alpha¡=.05. Use traditional and p-value approach to hypothesis testing.
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