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, 2023

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, 2023

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, 2023

Ok thank you Emil