9. A glass of jar contains 40 red, green, blue, and yellow marbles. The probability of drawing a single green marble at random is 1/5. What does this mean? a. There are 5 green marbles in the glass jar. b. There are 8 green marbles in the glass jar. c. There are more green marbles than the others. d. There is only one green marble in the glass jar.

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