Compute the Relative Frequencies for Students Who Earned a C

Multiple Choice

Compute the relative frequencies for students who earned a C shown in the table of grades below. ? $$\begin{array} { l | c } \text { Grades } & \text { Number of Students } \\\hline \text { A } & 10 \\B & 31 \\C & 36 \\D & 6 \\\hline & \mathbf { 8 3 }\end{array}$$ ?

A) 0.43
B) 0.53
C) ?0.83
D) Not enough information