Probability math question help needed:

The table below shows the number of survey subjects who have received and not received a speeding ticket in the last year, and the color of their car. Find the probability that a randomly selected person: Soeeclnq ticket No speeding ticket Bed car 15 135 Not red car 45 470 Total 60 605 a) has a speeding ticket given they have a red car b) has a red car given they have a speeding ticket