Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Entry-Level Assessment - Page xxxix: 3


D. $\frac{4}{11}$

Work Step by Step

The bag starts out with 12 marbles (2+4+6). After taking one out, you are left with $11$ marbles. With the remaining marbles, 4 are blue, 5 are green, and 2 are red. The probability of drawing a blue marble is equal to the amount of blue marbles divided by the total sum of marbles, or $\frac{4}{11}$, which is choice D.
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