In the Spanish song the probability of spinning red r is 1/2 and the probability of spinning either blue b or yellow why is 1/4

Answer 1

. This means that there are 2 equally likely outcomes (red or not red) and 4 equally likely outcomes total (red, blue, yellow, or not red). Therefore, the probability of spinning red r is 1/2 and the probability of spinning either blue b or yellow y is 1/4.