Subject
Computer Science
Topic
Artificial Intelligence
A condition has prior 0.1, test sensitivity 0.8, and false-positive rate 0.2. What is P(condition given positive), rounded to three decimals?
A condition has prior 0.1, test sensitivity 0.8, and false-positive rate 0.2. What is P(condition given positive), rounded to three decimals?
a)
0.8b)
0.692c)
0.308d)
0.1Explanation
P(positive) = 0.1 × 0.8 + 0.9 × 0.2 = 0.08 + 0.18 = 0.26. P(condition | positive) = 0.08 ÷ 0.26 ≈ 0.308.Related questions
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