Datasets:
24. ํ๋ฅ ๋ณ์ \( X \)๊ฐ ์ดํญ๋ถํฌ \( \mathrm{B}\left(n, \frac{1}{3}\right) \)์ ๋ฐ๋ฅด๊ณ \( \mathrm{V}(2X) = 40 \)์ผ ๋, \( n \)์ ๊ฐ์? [3์ ] | |
\begin{itemize} | |
\item[1] 30 | |
\item[2] 35 | |
\item[3] 40 | |
\item[4] 45 | |
\item[5] 50 | |
\end{itemize} |