Question

At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.05 for the estimation of a population proportion? Assume that past data are not available for developing a planning value for p*. (Round your answer up to the nearest whole number.)

Answer 1

Explanation:

Apply the equation
`n=((Z∝/2)^2*P*(1-P*))/(Moe^2)`

Same steps but round your answer up from 384.16 to 385

The answer becomes

385