A question from PrepSwift quiz 15

Hello. I wonder how to get 1 / 3. Thank you.

“either 1 or 2” in a dice.

You mean that three rolls can be all 1 or all 2 or having both ? Thanks

I mean each of the three rolls can be 1 or 2. That would be a probability of \frac{2}{6} = \frac{1}{3}.

1 Like