A bag has 7 orange gummy bears and 3 green gummy bears. Two gummy bears are picked with replacement out of the bag. Draw an area model to represent the sample space. 2. What is the probability that both gummy bears are orange? (from the above question) Please show your work.
3. There are 4 red marbles, 7 purple marbles, 3 blue marbles, and 2 yellow marbles. One marble is randomly chosen. Use the addition rule to calculate the probability that either a purple marble or red marble is chosen. Please show your work.