Calculate basic probability, combined event probability (union, intersection, conditional), and binomial distribution probabilities.
P(A) = Favorable outcomes / Total outcomes
| Property | Value |
|---|---|
| Favorable outcomes | 3 |
| Total outcomes | 10 |
| P(A) | 0.3 = 30% |
| P(not A) = P(A') | 0.7 = 70% |
| Odds for A | 3 : 7 |
| Fraction | 3/10 |
| Rule | Formula |
|---|---|
| Addition rule | P(A∪B) = P(A)+P(B)−P(A∩B) |
| Multiplication (indep.) | P(A∩B) = P(A)·P(B) |
| Conditional | P(A|B) = P(A∩B)/P(B) |
| Complement | P(A') = 1 − P(A) |
| Binomial | C(n,k)·pᵏ·(1−p)ⁿ⁻ᵏ |