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ml-recall

#contingency-table

3 questions from Probability, Logistic Regression & Softmax

Timed test

3 questions · 3 min · score and explanations at the end

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Question 1: Short answer

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A poll asked adults whether there is solid evidence that the Earth has been warming. The table gives the proportion of all respondents in each combination of party/ideology and answer.

Party and ideology Warming Not warming Don't know Total
Conservative Republican 0.11 0.20 0.02 0.33
Moderate/liberal Republican 0.06 0.06 0.01 0.13
Moderate/conservative Democrat 0.25 0.07 0.02 0.34
Liberal Democrat 0.18 0.01 0.01 0.20
Total 0.60 0.34 0.06 1.00

A randomly chosen respondent answered "not warming". What is the probability that this respondent is a moderate/liberal Republican?

a probability, 3 decimals