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Confidence interval for the proportion of employees

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Question: Survey. A company has surveyed a stratified sample of its employees to find out how many might take advantage of a program to help people stop smoking. You may assume that the sampling strategy was properly random and that the data-gathering methodology avoided biases. The table below shows the results. For which of the groups could we use our methods of inference to determine a 95% confidence interval for the proportion of employees who would participate in the stop-smoking program?

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Reference no: EM131745634

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