Which of the following distributions is suitable to model the length of time that elapses before the first telephone call is received by a switchboard? $\begin{array}{|l|l|}
\hline\text { A. } & \text { Exponential. } \
\hline \text { B. } & \text { Normal. } \
\hline \text { C. } & \text { Poisson. } \
\hline \text { D. } & \text { Uni form. } \
\hline
\end{array}$

Question

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The Answer of Which of the following distributions is suitable to model the length of time that elapses before the first telephone call is received by a switchboard? $\begin{array}{|l|l|}
\hline\text { A. } & \text { Exponential. } \
\hline \text { B. } & \text { Normal. } \
\hline \text { C. } & \text { Poisson. } \
\hline \text { D. } & \text { Uni form. } \
\hline
\end{array}$

Which of the Following Distributions Is Suitable to Model the Length