Binomial Probability Calculator
Find the probability of exactly, at most or at least k successes in n trials with success probability p, plus the mean and standard deviation.
Result
P(exactly k)
0.117188
- P(at most k)
- 0.171875
- P(at least k)
- 0.945312
- P(fewer than k)
- 0.054688
- Mean (expected successes)
- 5
- Standard deviation
- 1.5811