Confidence interval of the true mean number

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Reference no: EM131560022

For a certain urban area, in a sample of 5 months (n = 7), an average of 25 mail carriers were bitten by dogs each month (). The standard deviation of the sample is 3 (s = 3). Find the 90% confidence interval of the true mean number of mail carriers who are bitten by dogs each month.

Reference no: EM131560022

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