A carnival roulette wheel contains 38 slots numbered 00, 0, 1, 2, 3, ... 36. Of the 38 slots on the wheel, 18 of the slots are colored red, and 18 colored black. The 00 and 0 slots are colored green
The wheel is spun, and a ball is rolled around the rim until it falls into a slot
a. What is the probability that the ball falls into a black slot?
Round your answer to at least 4 decimal places, if necessary
b. What is the probability that the ball falls into a slot that is not red?
Round your answer to at least 4 decimal places, if necessary.