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Wait. I still don't get it.
...and I don't know what you guys are talking about.
I actually solved it this morning. Wow, my solution was the same as that one!
I need to wait for it to be posted xD
That's weird. It's problem number 5, week 12 for Introduction to Counting and Probability
An online class called Art Of Problem Solving. Have you heard of it?
Is there an easy way to solve it without using some complex formula thing?
Oh! I never saw that! Thanks bobbym!!!
A bag contains some marbles, each of which is one of four colors (red, white, blue, and green). The composition of the bag is such that if we take four marbles out at random (without replacement), each of the following is equally likely:
(1) one marble of each color is chosen,
(2) one white, one blue, and two reds are chosen,
(3) one blue and three reds are chosen,
(4) four reds are chosen.
What is the smallest possible number of marbles in the bag?
Can you please explain how you got the solution? Thanks!!!
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