Mathematics, 05.02.2021 17:50 faithtunison

a bag contains red discs, black discs and white discs. the number of black discs is equal to the number of white discs. selina is going to take a disc at random from the bag. the probability that she will take a red disc is 0.6. work out the probability that she will take a black disc

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a bag contains red discs, black discs and white discs. the number of black discs is equal to the num...