What total size sample necessary to find true proportion

Reference no: EM13138960

To estimate the proportion of statistics students that are female, assume there is no information from past data.

a) What total size sample would be necessary if we wanted to estimate the true proportion to within ±0.08 using 90% confidence?

b) What total size sample would be necessary if we wanted to estimate the true proportion to within ±0.08 using 95% confidence?

Reference no: EM13138960

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