Answer
$\frac{1}{2}$
Work Step by Step
Use P(even)=$\frac{numberoffavorableoutcomes}{numberofpossibleoutcomes}$.
There are 6 possible outcomes:1,2,3,4,5,6.There are 3 favorable outcomes:2,4 and 6. Plug in the number of outcomes:
P(even)=$\frac{3}{6}$ -simplify-
p(even)=$\frac{1}{2}$