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GMAT prep probability

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by Neo Anderson » Wed Mar 14, 2012 10:36 am
Refer the figure attached:

Image
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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