two 6-sided die are rolled. find the probability that the first die shows a 2 or the sum of the two die is 6 or 7.
Hello, alessandromangione!
Two 6-sided die are rolled.
Find the probability that the first die shows a 2, or the sum of the two die is 6 or 7.
The least we can do is crank out the possible outcomes and start counting.
. .
"First die is 2": .
"Sum is 6 or 7": .
There are 15 desirable outcomes.
Therefore: .