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Laura’s bag contains 14 red marbles and 16 green marbles. If

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Laura’s bag contains 14 red marbles and 16 green marbles. If [#permalink] New post 11 Jan 2018, 08:24
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Question Stats:

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Laura’s bag contains 14 red marbles and 16 green marbles. If Laura selects one marble at random from the bag, what is the probability that the marble she selects will be green?

A. \(\frac{1}{30}\)

B. \(\frac{7}{15}\)

C. \(\frac{8}{15}\)

D. \(\frac{7}{8}\)

E. \(\frac{8}{7}\)

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[Reveal] Spoiler: OA

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Re: Laura’s bag contains 14 red marbles and 16 green marbles. If [#permalink] New post 11 Jan 2018, 15:46
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Carcass wrote:



Laura’s bag contains 14 red marbles and 16 green marbles. If Laura selects one marble at random from the bag, what is the probability that the marble she selects will be green?

A. \(\frac{1}{30}\)

B. \(\frac{7}{15}\)

C. \(\frac{8}{15}\)

D. \(\frac{7}{8}\)

E. \(\frac{8}{7}\)

Kudo for the right answer and solution


There are 30 marbles in TOTAL
16 of the marbles are green

So, P(marble is green) = 16/30
= 8/15

Answer: C

Cheers,
Brent
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Re: Laura’s bag contains 14 red marbles and 16 green marbles. If   [#permalink] 11 Jan 2018, 15:46
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Laura’s bag contains 14 red marbles and 16 green marbles. If

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