Hazard From Density

Problem

Hazard rate from a density value and the corresponding survival value:

h = density / survival.

Return 0.0 when survival <= 0.

Hint

The hazard is the instantaneous failure rate among survivors.

case 1

in: [0.2,0.8]

expected: 0.25

case 2

in: [0.5,0.5]

expected: 1

case 3

in: [1,0]

expected: 0

case 4

in: [0.1,0.4]

expected: 0.25

Starter codePython

def hazard_from_density(density, survival):
    # Your code here
    pass

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