I have a formula and values P(X ≤ 20) = 0.95, k=20, p= 0.18 $$ \mathbb{P}[X=k] = \binom{n}{k} p^k (1-p)^{n-k} $$ and I need find $n$. Anybody know how ?
2026-03-28 02:21:28.1774664488
Binomial distribution find n from formula
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