Cups of coffee are sold at the Skool Café in three sizes (S, M, L), and customers fall into three categories (academics, administrators, students). The numbers of cups sold in a working day are as follows.

 
                                Small                     Medium                                     Large
Academics                  12                           25                                           27
Administrators             19                           26                                            4
Students                         30                                 10                                                    11
Selecting one cup sold at random, the probability that it will be a large cup is?

A. 256
B. 333
C. 500
D. 111


Answer: A

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