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Re: Kami uncle wer r u

@_Chochi_Chi_Bachi

A bag contain 3 black beads, 5 red beads and 2 greenbeads.
Gianna takess a bead at randon from the bag, records its colour and replacess it.
she doez it two more times

Wokr out the prbability that of the three bads Gianna takes, exactly two are the sme colour?

lemme get you started

P(2 beads are the same colour) = ?