Expected Value Lite

Problem

Compute the expected value of a discrete random variable.

Return sum(values[i] * probs[i]).

Hint

Weight each outcome by its probability.

case 1

in: [[1,3],[0.5,0.5]]

expected: 2

case 2

in: [[2,4,6],[0.2,0.3,0.5]]

expected: 4.6

case 3

in: [[0],[1]]

expected: 0

Starter codePython

def expected_value_lite(values, probs):
    # Your code here
    pass

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