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# Sixty percent of the members of a study group are women, and

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Sixty percent of the members of a study group are women, and [#permalink]

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10 Dec 2012, 10:44
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87% (00:51) correct 13% (01:00) wrong based on 1269 sessions

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Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer?

(A) 0.10
(B) 0.15
(C) 0.27
(D) 0.33
(E) 0.45
[Reveal] Spoiler: OA

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Target Test Prep Representative
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Re: Sixty percent of the members of a study group are women, and [#permalink]

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10 Jun 2016, 11:33
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Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer?

(A) 0.10
(B) 0.15
(C) 0.27
(D) 0.33
(E) 0.45

This is a two-part probability question. We should first notice that since our answer choices are in decimal form, we can use a real numerical value for the total number of members of the study group. A convenient number to use is 100.

We are first told that 60 percent of the members in the group are women. Thus we can say:

0.6 x 100 = 60 women

We are next told that 45 percent of these 60 women are lawyers. We can then say:

0.45 x 60 = 27 women lawyers

Finally, we need to determine the probability of selecting a woman lawyer from the group. Since there are 100 total members and 27 of them are women lawyers, the probability is 27/100 = 0.27.

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Kudos [?]: 833 [1], given: 2

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Re: Sixty percent of the members of a study group are women, and [#permalink]

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10 Dec 2012, 10:47
Expert's post
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Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer?

(A) 0.10
(B) 0.15
(C) 0.27
(D) 0.33
(E) 0.45

Say there are 100 people in that group, then there would be 0.6*0.45*100=27 women lawyers, which means that the probability that the member selected is a woman lawyer is favorable/total=27/100.

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Re: Sixty percent of the members of a study group are women, and [#permalink]

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25 Apr 2014, 23:40
Result = 0.6*0/45=0.27

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Re: Sixty percent of the members of a study group are women, and [#permalink]

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22 Feb 2016, 17:38
Hello from the GMAT Club BumpBot!

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Re: Sixty percent of the members of a study group are women, and [#permalink]

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16 Jun 2016, 08:26
0.6*0.45 =(6/10) * (45/100) = 27/100 =0.27
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Appreciate any KUDOS given !

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Re: Sixty percent of the members of a study group are women, and [#permalink]

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25 Mar 2017, 06:21
let's try smart numbers, there are 100 people in the group
600 of the people are women, 27 are lawyers, 27/100=0,27

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Re: Sixty percent of the members of a study group are women, and   [#permalink] 25 Mar 2017, 06:21
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