A Manager Has Observed Sales for a Number of Days

Multiple Choice

A manager has observed sales for a number of days and developed the following table of probabilities. Which of the following distributions would be most appropriate for modeling the daily sales?
$\begin{array}{|c|c|}\hline \text { Daily Sales } & \text { Probability } \\\hline 100 & 0.40 \\\hline 200 & 0.05 \\\hline 300 & 0.50 \\\hline 400 & 0.05 \\\hline\end{array}$

A) Normal distribution
B) Triangular distribution
C) Lognormal distribution
D) Integer uniform distribution
E) Custom discrete distribution