P(A \cup B) = P(A) + P(B) - P(A \cap B) = 0.4 + 0.3 - (0.4 \cdot 0.3) = 0.7 - 0.12 = 0.58

P(A \cup B) = P(A) + P(B) - P(A \cap B) = 0.4 + 0.3 - (0.4 \cdot 0.3) = 0.7 - 0.12 = 0.58 - AMAZONAWS

Understanding the Probability Formula: P(A ∪ B) = P(A) + P(B) − P(A ∩ B) — A Complete Guide to Combining Events

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$P(A \cup B) = P(A) + P(B) - P(A \cap B) = 0.4 + 0.3 - (0.4 \cdot 0.3) = 0.7 - 0.12 = 0.58$