Answer to Question #167533 in Statistics and Probability for jb

Question

Rachel put 3 red marbles, 2 blue marbles, 1 yellow marble, and 4 green marbles into a bag. All the marbles were the same shape and size. Without looking, Rachel pulled 2 marbles out of the bag without putting the first back in. Which of the following would be an impossible outcome for this event? 

Answer 1

Bag contains,

3 Red marble

2 Blue marble

1 Yellow marble

4 Green marble

Since, Rachel pulled 2 marbles out of the bag without putting the first back in and all marbles are of same shape and size.

So total possible outcomes are(two marbles are either )

(Red, Red); (Red, Blue); (Red, Yellow); (Red, Green); (Blue, Blue); (Blue, Yellow); (Blue, Green);

(Yellow, Green); (Green, Green)

Any outcomes other than above outcomes are not possible.