Probability theory

Binomial distribution

Success-count probabilities, mean and spread in Bernoulli trials.

Probability theory

Binomial probability of k successes

P(X=k)=Cₙᵏpᵏ(1−p)ⁿ⁻ᵏ→
Probability theory

Binomial probability of zero successes

P(X=0)=(1−p)ⁿ→
Probability theory

Binomial: at least one success

P(X≥1)=1−(1−p)ⁿ→
Probability theory

Binomial probability up to k

P(X≤k)=ΣCₙⁱpⁱ(1−p)ⁿ⁻ⁱ→
Probability theory

Binomial mean

μ=np→
Probability theory

Binomial standard deviation

σ=√(np(1−p))→