Katie has a bag of 15 marbles. there are 3 green, 4 blue, and 5 red marbles. the rest of the marbles are yellow. if katie randomly chooses a marble, what is the probability it will be yellow or red?

P(yellow or red)   =8/15

Step-by-step explanation:

There are 15 marbles, 3 green, 4 blue, and 5 red marbles.

3+4+5 = 12

That means there are 15-12 = 3  3 yellow marbles.

3 green,

4 blue

5 red

3 yellow

To find the probability of yellow or red, we add the number of yellow and red marbles together over the total number of marbles

P(yellow or red) = (yellow +red)/ total

                           = (3+5)/ 15

                             =8/15

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answer: what are the following choices