â Sans reconduction
â Sans reconduction
0 Maths GoldSoit \( X \sim B(n, p) \)
\( E(X) = np \)
\( Var(X) = np(1-p) \)
Exemple
Soit \( X \sim B(10, 0.3) \)
\( P(X \leq 4) = \sum_{k=0}^{4} \binom{10}{k} (0.3)^k (0.7)^{10-k} \)