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Intern
Joined: 09 Oct 2006
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Each of the students in a certain class received a single [#permalink]
12 Dec 2006, 14:31
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Each of the students in a certain class received a single grade of P, F, or I. What percent of the students in the class were females?
(1) Of those who received a P, 40 percent were females.
(2) Of those who received either an F or I, 80 percent were males.
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Senior Manager
Joined: 20 Feb 2006
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E
From 1) No info about F or I or absolute values - INSUFF
From 2) Only know that 80% of people who got F or I are female - no info about P or absolute values - INSUFF
Together - Still not enough info. There could be 10 students with a p and 1000 with F or I or vice versa - INSUFF
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Senior Manager
Joined: 08 Jun 2006
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E too
I think - we can conclude that the percentage of females lies between 40 and 20.
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Manager
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E..
anindyat, nice inference: females % will be between 20 and 40.
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