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A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec

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A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec [#permalink] New post   16 Sep 2022, 00:42
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75% (00:56) correct 25% (02:56) wrong based on 8 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).


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

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C
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Re: A bag contains 6 blue marbles and 4 red marbles. Two marbles are selec [#permalink] New post   16 Sep 2022, 02:45
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red followed by blue: 4/10*6/9=0.27
blue followed by red:6/10*4/9=0.27
same
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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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