Slightly off topic, but isn't the convention to spell out numbers less than ten, i.e., "one in six" rather than "1 in 6?"
FWIW, I think that "are" is correct and, perhaps more importantly, it sounds better. To my American ears, anyway.
I note that different English speaking countries often use singulars and plurals differently.
Last edited by ApK; 08-28-2013 at 11:01 AM.
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