\begin{tabular}{l|l|}
Q.11 & $\begin{array}{l}\text { A machine produces a defective component with a probability of } 0.015 \text {. The } \\
\text { number of defective components in a packed box containing } 200 \text { components } \\
\text { produced by the machine follows a Poisson distribution. The mean and the } \\
\text { variance of the distribution are }\end{array}$ \\
\hline
- & 3 and 3, respectively \\
\hline - & $\sqrt{3}$ and $\sqrt{3}$, respectively \\
\hline - & 0.015 and 0.015, respectively \\
\hline - & 3 and 9, respectively \\
\hline
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