[English] 日本語 Binomial distribution Hypergeometric distribution Poisson distribution

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Binomial distribution probability distribution calculator

Enter n and p. Click "run" button.

P(x=k) = _nC_k × p^k × (1-p)^n-k

n =

p =

Run

k	N-k	P(x=k)	P(x ≤ k)
0	6	0.262144	0.262144
1	5	0.393216	0.655360
2	4	0.245760	0.901120
3	3	0.081920	0.983040
4	2	0.015360	0.998400
5	1	0.001536	0.999936
6	0	6.400000 × 10-5	1.000000

Verify

Expected value

Theoretical value : np = 1.2

Calculated value : 1.2

Variance

Theoretical value : np(1-p) = 0.96

Calculated value : 0.96