Assume the spinner cannot land on a line. Determine the probability that the spinner lands on a) red, b) green, c) yellow, and d) not yellow. O a) P(red) = 1 (Simplify your answer.) b ) P(green) = 2 (Simplify your answer.) c) P(yellow) = 3 (Simplify your answer.) d) P(not yellow) = 3 (Simplify your answer.)