Let's see if Veeky Forums can solve this

Let's see if Veeky Forums can solve this.
You have two coins. One coin has A A on their sides and other coin has A B on their sides.
You pick a coin at random and flip it. The upper side is A, what is the probability that bottom side is also A?

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Two thirds

1/2

2/3

brainlets

correct answer

2/3

Do you even probability

Brainlet

It's 50/50, either it happens or it doesn't

1/2