Question
You roll a pair of dice. What is the probability that the roll doesn't sum to 12? Hint. Use the complement principle.
Answers
oobleck
36 possible rolls
only 1 is a 12
so P(~12) = 1 - P(12) = 35/36
only 1 is a 12
so P(~12) = 1 - P(12) = 35/36