The Following Table Shows the Results of a Survey of 360

Multiple Choice

The following table shows the results of a survey of 360 authors by a (fictitious) publishing company: $$\begin{array} { | l | l | l | l | } \hline & \begin{array} { l } \text { New } \\\text { Authors }\end{array} & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 50 & 40 & 90 \\\hline \text { Unsuccessful } & 120 & 150 & 270 \\\hline \text { Total } & 170 & 190 & 360 \\\hline\end{array}$$ A successful author is chosen at random.
Compute the estimated probability of the event that the successful author is established.

A) $\frac { 5 } { 9 }$
B) $\frac { 19 } { 36 }$
C) $\frac { 4 } { 9 }$
D) $\frac { 5 } { 19 }$
E) $\frac { 1 } { 9 }$