will mark brainliest when i figure out how to do it help please

Answer:
c
Step-by-step explanation:
Alex has equal amount in red and blue marbles, so he will have an equal probability in choosing any of the two , but James has unequal amounts of 3 coloured red marbles, but because the red is the amount of the blue and green both together , it will be the more likely one , and will reach the same probability as Alex, so it is c , the other choices are not likely at all.