SOLUTION:
Step 1:
In this question, we are given the following:
A bag of 13 marbles contains 7 marbles with red on them, 5 with blue on them, 5 with green on them, and 4 with red and green on them.
What is the probability that a randomly chosen marble has either green or red on it? Note that these events are not mutually exclusive.
Express your answer as a fraction in lowest terms
Step 2:
The details of the solution are as follows:
CONCLUSION:
The final answer is:
