Ron Weasley and a magical die

1

Ron Weasley bought a magical die having 10 sides(numbered  1 to 10) from  Zonko’s Joke Shop in hogsmeade.In this die all the even numbered sides are colored blue and all odd numbered sides are colored white. He wants to find the probabilty of getting a blue color and number 9 in a single throw. Can you answer him.(answer rounded to 3 decimal places)

[Answer in comment section]