Experiment 4: A glass jar contains

Experiment 4: A glass jar contains 1 red, 3 green, 2 blue and 4 yellow marbles. If a single marble is chosen at random from the jar, what is the probability of each outcome? [IMAGE]
Sample Space: {red, green, blue, yellow}
Probabilities:
P(red) = 1
10

P(green) = 3
10

P(blue) = 2 = 1
10 5

P(yellow) = 4 = 2
10 5