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A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec
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16 Sep 2022, 00:42
16 Sep 2022, 00:42
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Question Stats:
77% (00:50) correct
22% (02:56) wrong based on 9 sessions
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A bag contains 6 blue marbles and 4 red marbles. Two marbles are selected at random, one after the other (the first marble is not replaced in the bag after it is drawn).
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
probability of drawing a red followed by a blue marble |
probability of drawing a blue followed by a red marble |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022) - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec
[#permalink]
16 Sep 2022, 02:45
16 Sep 2022, 02:45
1
red followed by blue: 4/10*6/9=0.27
blue followed by red:6/10*4/9=0.27
same
blue followed by red:6/10*4/9=0.27
same
gmatclubot
Re: A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec [#permalink]
16 Sep 2022, 02:45
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