A normally distributed population with 200 elements has a mean of 60 and a standard deviation of 10. The probability that the mean of a sample of 25 elements taken from this population will be smaller than 56 is: $\begin{array}{|l|l|}
\hline \text { A. } & 0.0166 . \
\hline \text { B. } & 0.0228 . \
\hline \text { C. } & 0.3708 \
\hline \text { D. } & 0.0394 . \
\hline
\end{array}$

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The Answer of A normally distributed population with 200 elements has a mean of 60 and a standard deviation of 10. The probability that the mean of a sample of 25 elements taken from this population will be smaller than 56 is: $\begin{array}{|l|l|}
\hline \text { A. } & 0.0166 . \
\hline \text { B. } & 0.0228 . \
\hline \text { C. } & 0.3708 \
\hline \text { D. } & 0.0394 . \
\hline
\end{array}$

A Normally Distributed Population with 200 Elements Has a Mean