A student has a bag of marbles. There are 5 pink, 7 red, 12 green, 2 blue, and 4 black marbles in the bag. Calculate the theoretical probability of picking a green marble.(1 point) Responses 2/5 3/5 1 7/20
The total number of marbles in the bag is 30 (5 + 7 + 12 + 2 + 4). The number of green marbles is 12.
Therefore, the theoretical probability of picking a green marble is 12/30, which simplifies to 2/5.
Therefore, the correct response is 2/5.