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Director
Joined: 08 Jul 2004
Posts: 596

Kudos [?]: 266 [0], given: 0

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19 Jul 2004, 08:56
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Hi all

In a school, 14% of students take drama and computers, and 67% take computer class. What is the probability that a student taking computers also takes drama?
Â Â Â Â Â 81%
Â Â Â Â Â Â 21%
Â Â Â Â Â Â 53%
Â Â Â Â Â Â None of the above

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Director
Joined: 05 Jul 2004
Posts: 894

Kudos [?]: 61 [0], given: 0

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19 Jul 2004, 09:06
is it 21%?

P = 14/67 = 21%

Let me know if I have overlooked anything..

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Director
Joined: 08 Jul 2004
Posts: 596

Kudos [?]: 266 [0], given: 0

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19 Jul 2004, 09:22

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CIO
Joined: 09 Mar 2003
Posts: 463

Kudos [?]: 68 [0], given: 0

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19 Jul 2004, 09:47
I got that too.

If there are 100 people in the school, 14 take both, and 67 take computers all together. So that's 14/67.

Kudos [?]: 68 [0], given: 0

19 Jul 2004, 09:47
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