Question

the above cards are laying facedown on the table. what is the probability of not picking the green card? 4% 20% 40% 80%

Explanation:

Step1: Determine total probability

The total probability of all events is 100% or 1.

Step2: Find probability of not - green

If we assume the probability of picking the green card is 20%, then the probability of not picking the green card is 100% - 20%.
$100 - 20=80$

Answer:

80%