If the standard error of the sampling distribution of the sample proportion is 0.0229 for samples of size 400, then the population proportion must be either: $\begin{array}{|l|l|}
\hline\text { A. } & 0.4 \text { or } 0.6 . \
\hline \text { B. } & 0.5 \text { or } 0.5 . \
\hline \text { C. } & 0.2 \text { or } 0.8 . \
\hline \text { D. } & 0.3 \text { or } 0.7 \
\hline
\end{array}$

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The Answer of If the standard error of the sampling distribution of the sample proportion is 0.0229 for samples of size 400, then the population proportion must be either: $\begin{array}{|l|l|}
\hline\text { A. } & 0.4 \text { or } 0.6 . \
\hline \text { B. } & 0.5 \text { or } 0.5 . \
\hline \text { C. } & 0.2 \text { or } 0.8 . \
\hline \text { D. } & 0.3 \text { or } 0.7 \
\hline
\end{array}$

If the Standard Error of the Sampling Distribution of the Sample