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

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Intern
Joined: 14 Jun 2011
Posts: 16

Kudos [?]: 74 [1], given: 25

Is the probability of an element in Set B also being an elem [#permalink]

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28 Dec 2012, 05:50
1
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00:00

Difficulty:

55% (hard)

Question Stats:

63% (01:18) correct 37% (01:08) wrong based on 94 sessions

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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, 07:18, edited 1 time in total.

Kudos [?]: 74 [1], given: 25

Manager
Joined: 12 Oct 2011
Posts: 131

Kudos [?]: 247 [3], given: 23

GMAT 1: 700 Q48 V37
GMAT 2: 720 Q48 V40
Re: Is the probability of an element in Set B also being an elem [#permalink]

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28 Dec 2012, 05:58
3
KUDOS
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.

Kudos [?]: 247 [3], given: 23

Intern
Joined: 20 Dec 2012
Posts: 18

Kudos [?]: 4 [1], given: 3

Re: Is the probability of an element in Set B also being an elem [#permalink]

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28 Dec 2012, 08:34
1
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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.

Kudos [?]: 4 [1], given: 3

Manager
Joined: 10 Mar 2014
Posts: 244

Kudos [?]: 94 [0], given: 13

Re: Is the probability of an element in Set B also being an elem [#permalink]

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17 Jul 2014, 01:15
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,

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

Thanks

Kudos [?]: 94 [0], given: 13

Math Expert
Joined: 02 Sep 2009
Posts: 41634

Kudos [?]: 124123 [0], given: 12072

Re: Is the probability of an element in Set B also being an elem [#permalink]

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17 Jul 2014, 08:58
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,

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

Thanks

This is a very poor quality question because the statements contradict each other. Don't waste your time on it.
_________________

Kudos [?]: 124123 [0], given: 12072

Re: Is the probability of an element in Set B also being an elem   [#permalink] 17 Jul 2014, 08:58
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