Which of the Following Distributions Is Not Symmetrical

Short Answer

Which of the following distributions is not symmetrical? $\begin{array}{|l|l|}\hline\text { A. } & \text { Exponential } \\\hline \text { B. } & \text { Uni form. } \\\hline \text { C. } & \text { Normal. } \\\hline \text { D. } & \text { None of these choices are correct. } \\\hline\end{array}$