Define options for disposal of grass clippings

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Question: Marketing and Consumer Behavior Most walkbehind lawn mowers have three options for disposal of grass clippings: by bagging, by mulching, or by side discharge. The manager at an Aubuchon Hardware store conducted a survey to determine which disposal method is most common. The results are given in the table below, classified by area mowed. A small area is less than 1/2 acre, a medium area is 1/2 to 1 acre, and a large area is over 1 acre.

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a. For people with small yards, find a 95% confidence interval for the true proportion who dispose of grass clippings by bagging.

b. For people with medium yards, find a 95% confidence interval for the true proportion who dispose of grass clippings by mulching.

c. For people with large yards, find a 95% confidence interval for the true proportion who dispose of grass clippings by side discharge.

Reference no: EM131747928

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