Function exp_cdf 

pub fn exp_cdf(x: f64, lambda: f64) -> f64

Computes cumulative distribution function (cdf) for X ~ Exp(lambda).

Parameters

• lambda > 0

Support

• x > 0

Example

Suppose X ~ Exp(lambda=8.0).

use ruststat::exp_cdf;
println!("P(X<=0.8): {}", exp_cdf(0.8, 8.0));