December 1994 LSAT Section 2 Question 24

A certain airport security scanner designed to detect explosives in luggage will alert the scanner's operator wheneve...

AndrewArabie on May 7 at 03:02PM

Just to be clear on the category confusion

So in this argument, the premise is about a group of 100 pieces of luggage that have no explosives whereas the conclusion is about a more realistic sample of luggage that may or may not have explosives?

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Emil-Kunkin on May 7 at 07:54PM

I think that's a good way to put it. This is an issue with false positives: if the underlying event is sufficiently rare and the odds of a false positive are sufficiently high, then a false positive may actually be more common that a real positive.

AndrewArabie on May 10 at 09:51PM

Ok thank you Emil