Question:
On the back of most credit cards is a three-digit Card
Last updated: 7/20/2022
On the back of most credit cards is a three-digit Card Verification Code (CVC). If the credit card companies are considering using letters A-Z and numbers 0-9 to improve security, what is the approximate probability that two of the digits are numbers? 0.056 0.20 0.0023 0.0168