A national survey of 40000 adults in the us in 1992 found

Reference no: EM13623345

A national survey of 40,000 adults in the US in 1992 found that 26% of adults were current smokers. A similar survey of 37,000 adults in the US in 1966 found that 43% of adults were current smokers. Test at a 5% level of significance whether the proportion of smokers in 1991 is different from the proportion of smokers in 1965.Make sure to 1. give the null and alternative hypotheses, 2. calculate the test statistic, and 3. give the conclusion (including a comparison to alpha or the critical value) to receive full credit

Reference no: EM13623345

Questions Cloud

Calculate and interpret the margin of error construct and : the pew research center reports that the mean student loan amount in 2008 was 15425 for students obtaining a bachelors

Find the magnitude of the angular deceleration of the : a cylinder is rotating about an axis that passes through the center of each circular end piece. the cylinder has a

In exploring possible sites for a convenient store in a : in exploring possible sites for a convenient store in a large neighborhood the retail chain wants to be 95 certain of

Pbj corporation issued bonds on january 12006 the bonds had : pbj corporation issued bonds on january 12006. the bonds had a coupon rate of 5.5 with interest paid semiannually. the

A national survey of 40000 adults in the us in 1992 found : a national survey of 40000 adults in the us in 1992 found that 26 of adults were current smokers. a similar survey of

Determine the velocity vector at the tip of the blade : the blades of a wind turbine spin due to a liftforce similarto that of an air plane wing. the magnitude ofthe liftforce

A us company knows it will have to pay 3 million euros in : a us company knows it will have to pay 3 million euros in three months. the current exchange rate is 1.4500 dollars

Find the test statistic f to test the claim that the : find the test statistic f to test the claim that the populations have the same mean.brand 1brand 2brand

Afb inc requires an investment in equipment of 600000 to : afb inc. requires an investment in equipment of 600000 to replace existing equipment. the existing equipment will

User Account

All Pages