Rage or Joy
I am so confused today(look at the title).I finally found someone in 6th grade with intelligence comparable to mine 4 years ago(when i was 7).Anyways this person actually acts the way I did at that age too.So hopefully I can turn this into a ridiculously easy rage problem.Find the a+b if a/b is the probability that someone will draw a red marble, then a green marble, then a blue marble , out of a jar with 2 red, 3 green ,and 4 blue marbles.NO replacement.
The answer is 22.
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1 solution
If the simplification got you,muuhhahahahaha.But the probability is 2/9 times 3/8 times 4/7=24/504=12/252=6/126=3/63=1/21.1+21=22