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Social Studies, 21.12.2020 22:40 jennifer7037

In A certain city, a total of 300 traffic station was issued. A sample of 40 of this tickets showed that the mean amount of the citation was 29 birr and the standard deviation 5 birr. Which of the following is a 98% confidence interval for population mean. A. 26.42 to 31.58
B. 27.28 to 30.72
C. 27.04 to 30.96
D. 26.67 to 31.33

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In A certain city, a total of 300 traffic station was issued. A sample of 40 of this tickets showed...
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