Lecture 7

Lecture 7 - 08.08.25 Extra Credit:

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
08.08.25 Extra Credit: Http://rscgsurveys.com/helix/rescue/slideshow3.php Extra Credit: Survey on Wednesday (before quiz) Taxicab Problem - Cab was involved in a hit and run accident at night. Two cab companies, the Green and the Blue, operate in the city. You are given the following data: o 33% of cabs in the city are Green and 67% are Blue (Base rate) o A witness identified the cab as Green. The court tested the reliability of the witness under the same circumstances that existed on the night of the accident and concluded that the witness correctly identified each one of the 2 colors 50% of the time and failed 50% of the time. (Case cue, base rate) o What is the probability that the cab involved in the accident was Blue rather than Green? 67% - base rate neglect - o studied Harvard medical students and residents o asked question about medical diagnoses (base rate problem) o 99/100 times right o Doctors said close to 100% o Correct answer is close to 0 - real life example
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Lecture 7 - 08.08.25 Extra Credit:

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online