Find the Probability of the Event with Odds Against It $P ( E ) = \frac { 1 } { 2 }$

Multiple Choice

Find the probability of the event with odds against it 2 to 1.

A) $P ( E ) = \frac { 1 } { 2 }$
B) $P( E ) = \frac { 2 } { 3 }$
C) $P( E ) = \frac { 1 } { 3 }$
D) $P ( E ) = \frac { 1 } { 4 }$
E) $P ( E ) = \frac { 3 } { 4 }$