The Student Room Group

S1 math HELP please!!!!!! URGENT !!!

Part C
ermm part C of ????
Have you tried turning it off and on again?
do a probability tree diagram and find all the combinations for 2 yellow beads and 1 green bead
there are 9C3 ways of picking 3 beads from 9.

there are 5C2 ways of picking 2 yellow beads from 5

there are 4C1 ways of picking 1 green bead from 4

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