Markov Inequality Bound

Problem

For a nonnegative random variable with mean mu, Markov's inequality bounds P(X >= a) by mu / a.

Given the mean and a > 0, return the bound.

Hint

The bound degrades as a grows.

case 1

in: [2,4]

expected: 0.5

case 2

in: [1,1]

expected: 1

case 3

in: [10,100]

expected: 0.1

Starter codePython

def markov_inequality_bound(mean, a):
    # Your code here
    pass

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