After calculating the sample size needed to estimate a population proportion to within 0.05, you have been told that the maximum allowable error must be reduced to just 0.025. If the original calculation led to a sample size of 1000, the sample size will now have to be: $\begin{array}{|l|l|}
\hline\text { A. } & 2000 . \
\hline \text { B. } & 4000 . \
\hline \text { C. } & 1000 . \
\hline \text { D. } & 8000 . \
\hline
\end{array}$

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The Answer of After calculating the sample size needed to estimate a population proportion to within 0.05, you have been told that the maximum allowable error must be reduced to just 0.025. If the original calculation led to a sample size of 1000, the sample size will now have to be: $\begin{array}{|l|l|}
\hline\text { A. } & 2000 . \
\hline \text { B. } & 4000 . \
\hline \text { C. } & 1000 . \
\hline \text { D. } & 8000 . \
\hline
\end{array}$

After Calculating the Sample Size Needed to Estimate a Population