Mathematics, 08.11.2019 02:31 patrickdolano

# 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 webfile 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 and answer the following questions. click on the webfile logo to reference the data.

a. develop a point estimate and a 95% confidence interval for the proportion of russians who smoke. round point estimate to two decimals and confidence interval to four decimal places.

point estimate

confidence interval to

b. develop a point estimate and a 95% confidence interval for the mean annual per capita consumption (number of cigarettes) of a russian. if required, round your answers to nearest whole value.

point estimate

confidence interval to

c. for those russians who do smoke, estimate the number of cigarettes smoked per day. if required, round your answer to nearest whole value.

Answers: 2

Mathematics, 21.06.2019 17:30

Can someone me with this problem i don't understand i need

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The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

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Russia has recently started a push for stronger smoking regulations much like those in western count...

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