? Red, yellow, blue, red (red, red) (yellow, red) (blue, red) yellow (red, yellow) (yellow, yellow) blue (red, blue) (yellow, blue) (blue, blue) has nine possible situations, and three of them have the same color.

Turn the dial twice at will. When the dial stops, the probability that the pointer points to the same color is 39 = 13.

So choose one