Confidence interval for the true percent of workers

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A random sample of 700 workers in a particular city found 175 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage. Express your results to the nearest hundredth of a percent. Your answer should be expressed as a percentage in the form XX.XX

Answer: ____________ to ______________ %

Kim wants to determine a 99 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.03? [Note that you don't have an estimate for p*!]

[Round to the smallest integer that works.] n = ____________

Reference no: EM132479656

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