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Mathematics, 13.06.2020 17:57 Leanylopez0811

Of a group of randomly selected adults, 360 identified themselves as manual laborers, 280 identified themselves as non-manual wage earners, 250 identified themselves as mid-level managers, and 160 identified themselves as executives. In the survey, 295 of manual laborers preferred trucks, 174 of non-manual wage earners preferred trucks, 135 of mid-level managers preferred trucks, and 42 of executives preferred trucks. We are interested in finding the 95% confidence interval for the percent of executives who prefer trucks. Which distribution should you use for this problem?

Construct a 95% confidence interval.

State the confidence interval and interpret this result in regards to the context of the problem.

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