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Is the probability of an element in Set B also being an elem

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Is the probability of an element in Set B also being an elem [#permalink] New post 28 Dec 2012, 04:50
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62% (02:16) correct 38% (01:09) wrong based on 90 sessions
Is the probability of an element in Set B also being an element in Set A equal to the probability of an element in Set A also being an element in Set B?

(1) Set A consists of all integers from 1 through 5 and Set B consists of all prime numbers less than 10.

(2) Set A consists of all odd numbers between 1 and 10, both inclusive, and Set B consists of all even numbers between 1 and 10, both inclusive.

Cheers,
Taz
[Reveal] Spoiler: OA

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Last edited by tabsang on 28 Dec 2012, 06:18, edited 1 time in total.
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Re: Is the probability of an element in Set B also being an elem [#permalink] New post 28 Dec 2012, 04:58
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I think the answer is D, but this isn't a GMAT question at all, each statement claims something totally different, on the GMAT the statements never contradict each other.
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Re: Is the probability of an element in Set B also being an elem [#permalink] New post 28 Dec 2012, 07:34
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(1) Gives us all the elements in set A and B. Sufficient.

(2) Gives us all the elements in set A and B. Sufficient.

D should be correct.

Although I agree with the person above, this wouldn't appear on the gmat.
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Re: Is the probability of an element in Set B also being an elem [#permalink] New post 17 Jul 2014, 00:15
tabsang wrote:
Is the probability of an element in Set B also being an element in Set A equal to the probability of an element in Set A also being an element in Set B?

(1) Set A consists of all integers from 1 through 5 and Set B consists of all prime numbers less than 10.

(2) Set A consists of all odd numbers between 1 and 10, both inclusive, and Set B consists of all even numbers between 1 and 10, both inclusive.

Cheers,
Taz



HI Bunuel,

Could you please provide your comments on statement 1.

I am using A = {1,2,3,4,5} B = {2,3,5,7}.
How the probability can be same.

Please clarify

Thanks
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Re: Is the probability of an element in Set B also being an elem [#permalink] New post 17 Jul 2014, 07:58
Expert's post
PathFinder007 wrote:
tabsang wrote:
Is the probability of an element in Set B also being an element in Set A equal to the probability of an element in Set A also being an element in Set B?

(1) Set A consists of all integers from 1 through 5 and Set B consists of all prime numbers less than 10.

(2) Set A consists of all odd numbers between 1 and 10, both inclusive, and Set B consists of all even numbers between 1 and 10, both inclusive.

Cheers,
Taz



HI Bunuel,

Could you please provide your comments on statement 1.

I am using A = {1,2,3,4,5} B = {2,3,5,7}.
How the probability can be same.

Please clarify

Thanks


This is a very poor quality question because the statements contradict each other. Don't waste your time on it.
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Re: Is the probability of an element in Set B also being an elem   [#permalink] 17 Jul 2014, 07:58
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