My worst math questions are the probability ones. I always skip them w/ out even looking at them. These and sometimes some hard geometry ques are only ones that I actually skip.
Help me out on this one:
Lisa shakes her piggy bank which contains 5 quarters and 5 nickels until 5 coins fall out with equal probability, what is the probability that the sum of the change that has fallen out is $0.85?
So far, all I know is that 3 Q and 2 N can only add up to $.85 and I'm just lost after that.