The Following Table Shows the Results of a Survey of 440

Multiple Choice

The following table shows the results of a survey of 440 authors by a (fictitious) publishing company: $$\begin{array} { | l | l | l | l | } \hline & \begin{array} { l } \text { New } \\\text { Authors }\end{array} & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 60 & 40 & 100 \\\hline \text { Unsuccessful } & 150 & 190 & 340 \\\hline \text { Total } & 210 & 230 & 440 \\\hline\end{array}$$ An established author is chosen at random.
Compute the estimated probability of the event that the established author is successful.

A) $\frac { 4 } { 23 }$
B) $\frac { 1 } { 11 }$
C) $\frac { 19 } { 23 }$
D) $\frac { 2 } { 5 }$
E) $\frac { 3 } { 5 }$