Mathematics, 16.03.2020 20:45 offshoreext
Russia has recently started a push for stronger smoking regulations much like those in western countries concerning cigarette advertising, smoking in public places, etc. The datafile named Russia contains sample data on smoking habits of Russians that are consistent with those reported by The Wall Street Journal (The Wall Street Journal, October 16, 2012). Analyze the data using Excel. Click on the datafile logo to reference the data. A. Develop a point estimate and a 95% confidence interval for the proportion of Russians who smoke. Point estimate 0.4 Confidence interval 0.3445 to 0.4555 B. Develop a point estimate and a 95% confidence interval for the mean annual per capita consumption (number of cigarettes) of a Russian. Point estimate 2786 Confidence interval 2340 to 3232 C. For those Russians who do smoke, estimate the number of cigarettes smoked per day.
Answers: 2
Mathematics, 21.06.2019 19:50
Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30
Answers: 1
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