Goodnight all. I'll leave you with a math paradox/puzzle:
You flip two coins without looking. Your friend tells you one of them is heads. What is the probability that one of them is tails? Is it 1/2 or 2/3?
You flip two coins without looking. Your friend tells you one of them is heads. What is the probability that one of them is tails? Is it 1/2 or 2/3?