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Confidence level and a margin of error

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The Humane Society would like to know what proportion of pets people have were adopted from a shelter. How large a sample should be selected in order to estimate this proportion with a 90% confidence level and a margin of error of at most 2.5%? (Assume no preliminary estimate of p-hat is available.)

Reference no: EM132483577

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Confidence level and a margin of error : The Humane Society would like to know what proportion of pets people have were adopted from a shelter. How large a sample should be selected
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