TED-ED: Can you solve the false positive riddle? - Alex Gendler

TED-ED: Can you solve the false positive riddle? - Alex Gendler

Assessment

Interactive Video

Mathematics

KG - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explores a scenario involving a rare mineral, unobtainium, and a detector used by Tricky Joe. Despite the detector's high accuracy, the rarity of unobtainium leads to a high chance of false positives. This is explained through the base rate fallacy and conditional probability. The tutorial highlights the importance of understanding these concepts to make informed decisions, illustrating the broader implications of false positives in fields like medical testing and surveillance.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the unobtainium detector's accuracy in the context of the trade with Tricky Joe?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of false positives as described in the text.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the overall probability of obtaining unobtainium from Joe's rock based on the information provided.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the base rate fallacy affect the decision-making process regarding the trade?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the implications of false positives in medical testing as mentioned in the text?

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