The Probability That Event $A$ Will Occur Is $\mathrm { P } ( \mathrm { A } ) = \frac { \text { Number of successful outcomes } } { \text { Number of unsuccessful outcomes } }$

The probability that event $A$ will occur is $\mathrm { P } ( \mathrm { A } ) = \frac { \text { Number of successful outcomes } } { \text { Number of unsuccessful outcomes } }$

A) False
B) True