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On a fair spinner,the probability of spinning blue 1/3.The probability of spinning blue or green is 1/2.What is probability of spinning green?

Mathematics
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this is a mutually exclusive probability problem
i.e. it's impossible for both events to happen at the same time
yeea i know

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Other answers:

and hence we know that P(A or B) = P(A) + P(B)
so P(B or G) = P(B) + P(G) 1/2 = 1/3 + P(G) 1/2 - 1/3 = P(G) 3/6 - 2/6 = 1/6 = P(G)
so probability of green is 1/6
oh i have more quesitons
I'd say ask them separately? that way in case I can't answer it people won't think it's already been answered.
oh

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