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## GMAT prep probability

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jkelk Just gettin' started!
Joined
12 Mar 2012
Posted:
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GMAT prep probability Wed Mar 14, 2012 10:55 am
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• Lap #[LAPCOUNT] ([LAPTIME])
Hi

Thanks,
J
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Neo Anderson Rising GMAT Star
Joined
06 Oct 2011
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Wed Mar 14, 2012 11:36 am
Refer the figure attached:

Quote:
25% of those who are married are self employed
=> 25% of 156 = 39

with this... calculate and fill in all the missing values in the table...
now, probability of selecting a person who is self employed but not married = 31/248 = 1/8

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