GMAT Critical Reasoning (CR) | Re: Left-handed persons suffer more frequently than do

b) Most left-handed mathematicians suffer from some kind ofallergy.
Argument clearly says that left handed people have higher chances of suffuring from allergies .also left handed people have higher aptitude for maths,nowthe choice identifies the possibility correctly due to the higher possibilty of allergy and being mathematecian narrows the sample space.
(C) There are proportionally more left-handers among people whose ability to reason mathematically is above average than there are among people
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