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GMAT (assume to be distributed Normally with a mean 500 and a standard deviation of 100)...

GMAT (assume to be distributed Normally with a mean 500 and a standard deviation of 100) and GRE (assume to be distributed Normally with a mean 300 and a standard deviation of 15) to select potential candidates. Candidate A has a GMAT score of 650 while candidate B has a GRE score of 320. Who is a better candidate and why?

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