Answer:
2/5
Explanation:
There are a total of 4+3+2+1=10 marbles in the bag. Since there is an equal chance of drawing any marble from the bag, the chances of drawing a red marble is equal to the number of red marbles divided by the total number of marbles.
What we're given:
- 4 red marbles
- 10 total marbles
Therefore, the probability of drawing a red marble is: