[Justin7]

Warm-up problem:
Roll 2 fair 6-sided dice. How often will at least 1 of them be a "1"?

Intermediate problem:
Roll 3 fair 6-sided dice. How often will at least 2 of them be a "1"?
Since there are 216 possible ways to roll 3 dice, give your answer in terms of "x outcomes out of a possible 216".

Advanced problem to follow later.

Ganchrow and RickySteve, please wait 24 hours to post.