The Statistics Club at Woodvale College Sold College T-Shirts as a Fundraiser

Multiple Choice

The Statistics Club at Woodvale College sold college T-shirts as a fundraiser. The results sale are shown below. Choose one student at random. Find the probability that the studen 11-15 T-shirts or less than 6 T-shirts.
$\begin{array}{cc}\hline \text { No. of t-shirts } & \text { No. of club members } \\\hline 0 & 2 \\1-5 & 13 \\6-10 & 10 \\11-15 & 6 \\16-20 & 5 \\20+ & 2 \\\hline\end{array}$ f the

A) 0.1579
B) 0.5833
C) 0.5526
D) 0.3947