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A bag of marbles contains 13 red marbles, 9 blue marbles, and 12 green marbles. If one marble is chosen at random, which is the probability of NOT getting a green marble?

A. 6/17

B. 11/17

C. 6/11

D. 13/34

Respuesta :

Answer:

B. 11/17

Step-by-step explanation:

The total number of marbles in the bag is 34

13 + 9 + 12 = 34

Then you subtract 12 from 34, since you want to know the probability of NOT getting a green marble.

12 - 34 = 22

Then you plug them into the equation:

# of outcomes that satisfy the requirement/ total # of possible outcomes

22/34  = 11/17

Hope this helps!

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