Exponential CDF Value

Problem

The exponential CDF is F(x) = 1 - exp(-rate * x) for x >= 0 and 0 otherwise.

Given x and the rate, return the probability.

Hint

The support starts at zero.

case 1

in: [1,2]

expected: 0.8646647167633873

case 2

in: [0,5]

expected: 0

case 3

in: [-1,1]

expected: 0

Starter codePython

def exponential_cdf_value(x, rate):
    # Your code here
    pass

3 test cases · run your code against them in the editor