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# Really easy S2 question? I missed a lesson, so I don't understand.

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1. A bag contains 4 red, 3 green, and 8 yellow beads. Five beads are selected at random from the bag without replacement. Find the probability that they are 2 red and 3 yellow
2. (Original post by APersonYo)
A bag contains 4 red, 3 green, and 8 yellow beads. Five beads are selected at random from the bag without replacement. Find the probability that they are 2 red and 3 yellow
Draw a tree diagram.
3. (Original post by Zacken)
Draw a tree diagram.
Ahahah awful advice. Finally figured it out. You would want to draw a tree diagram for this question? Good luck drawing a tree diagram for the 10 possible arrangements !!
4. (Original post by APersonYo)
Ahahah awful advice. Finally figured it out. You would want to draw a tree diagram for this question? Good luck drawing a tree diagram for the 10 possible arrangements !!
No, I wouldn't. But I don't fancy explaining binomial distributions to someone who missed the lesson on them, so resorted to reducing the problem to something that you did know how to do.
5. .,
6. (Original post by APersonYo)
Ahahah awful advice. Finally figured it out. You would want to draw a tree diagram for this question? Good luck drawing a tree diagram for the 10 possible arrangements !!
Is it 16/143 ?

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