SOLUTION: What is the theoretic probability of randomly choosing a blue marble from a bag of 5 blue marbles, 8 red marbles, and 7 yellow marbles? Please help.

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Question 1053191: What is the theoretic probability of randomly choosing a blue marble from a bag of 5 blue marbles, 8 red marbles, and 7 yellow marbles? Please help.
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
thee are 5 blue marbles, 8 red marbles, and 7 yellow marbles for a total of 20 marbles.

the theoretical probability of drawing a blue marble is therefore 5 / 20 = .25 = 25%.