Mechanic Test

This just in from the CarTalk joke center:
http://www.cartalk.com/content/timekill/lamejokes/car.html
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Crusty’s young nephew, Cranky, applied for a position as mechanic at Click & Clack’s garage. It just so happened that a young woman had walked in that day also looking for a job. There was really only one position to be filled, and since both applicants seemed to have the same qualifications, Ray asked them both to take a written test.

Upon completion of the test, both only missed one of the questions. Ray went to Cranky and said, “Thank you for your interest, but we’ve decided to give the job to the young lady.”

Cranky asked, “Why? We both got nine questions correct. Since my uncle Crusty works here, I should get the job!”

Ray said, “We have made our decision not on the correct answers, but rather on the question that you missed.”

Cranky then asked, “And just how would one incorrect answer be better than the other?”

Ray replied, “Simple, the young woman put down for question #4, ‘I don’t know.’  You put down, ‘Neither do I.'”