🏥 Medical Test

Probability Tree Diagram

Calculate Probability

What's the probability?

Your Answer

Streak

0
Correct in a row

Bayes' Theorem

P(A|B) = P(B|A) × P(A) / P(B)
Updates probability when new evidence appears

Conditional Probability

P(A|B) means "probability of A given B"
Different from P(B|A)!

Tree Diagrams

Follow branches and multiply probabilities
All paths sum to 100%

Real Applications

Medical tests, spam filters, weather prediction
Base rates matter!