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30 ping pong balls have been painted in 5 different colors: red, black, blue, green, and yellow. Each color is represented equally and all of the ping pong balls are placed into a black pouch. If you reach into the bag and pull out one ball, what is the probability that you will pull out a blue or a green ball on your first try?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):7.SP.C.7.A

Standard Description: Develop a uniform probability model by assigning equal probability to all outcomes, and use the model to determine probabilities of events. For example, if a student is selected at random from a class, find the probability that Jane will be selected and the probability that a girl will be selected.

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