SOLUTION: a bag contains 2 red marbles and 3 blue marbles, if one marble is drawn at random what is the probability that it is red?

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Question 1155570: a bag contains 2 red marbles and 3 blue marbles, if one marble is drawn at random what is the probability that it is red?

Answer by MathLover1(20850) About Me  (Show Source):
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favorable cases of drawing a red marble is 2C1=2
exhaustive cases are 5C1+=+5
probability of drawing blue marble is 2%2F5