Answer
$\frac{1}{2}$
Work Step by Step
Use p(blue)=$\frac{area of blue regions}{totalarea}$
There are 6 areas. There are 3 which are blue. Plug into the fraction:
p(blue)=$\frac{area of blue regions}{totalarea}$
p(blue)=$\frac{3}{6}$
p(blue)=$\frac{1}{2}$