Statistics & Probability
Exponential CDF
Cumulative exponential probability.
Formula
Formula
F(x) = 1 − e−λx
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| λ | rate | computed result | — | result |
| x | value (≥ 0) | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenλ = 0.5, x = 2
Result0.6321205588
Example 2
Givenλ = 1, x = 1
Result0.6321205588