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Bag P contains 15 marbles, 5 of which are green. Bag Q contains 30 mar
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16 Apr 2022, 07:15
16 Apr 2022, 07:15
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Bag P contains 15 marbles, 5 of which are green. Bag Q contains 30 marbles, 15 of which are blue. If one marble is drawn at random from each bag, what is the probability that the marble from bag P is green and that the one from bag Q is blue?
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Part of the project: Skill Builder Project for a Q170
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: Bag P contains 15 marbles, 5 of which are green. Bag Q contains 30 mar
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18 Apr 2022, 20:15
18 Apr 2022, 20:15
1
Quote:
Bag P contains 15 marbles, 5 of which are green. Bag Q contains 30 marbles, 15 of which are blue. If one marble is drawn at random from each bag, what is the probability that the marble from bag P is green and that the one from bag Q is blue?
probability that the marble from bag P is green = 5/15 = 1/3
probability that the marble from bag Q is blue = 15/30 = 1/2
probability that the marble from bag P is green AND that the one from bag Q is blue = 1/3 * 1*2 = 1/6
gmatclubot
Re: Bag P contains 15 marbles, 5 of which are green. Bag Q contains 30 mar [#permalink]
18 Apr 2022, 20:15
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