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Kabita has two bags.
In the first bag there are 5 blue discs and 3 red discs.
In the second bag there are 7 blue discs and 4 red discs.
Kabita takes at random a disc from the first bag.
She then takes at random a disc from the second bag.
(a) Complete the probability tree diagram.
second
first bag
blue
7
11
blue
Complete the probability tree diagram