Mathematics (Syllabus D) · Oct / Nov 2020 · Paper 12 · Question 15
4024
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Two bags contain beads. The first bag contains 7 beads, of which 3 are red and 4 are white. The second bag contains 5 beads, of which 2 are red and 3 are blue. One bead is taken, at random, from each bag. The tree diagram is shown below. Red First bag Second bag Red White Blue Red Blue 5 2 5 2 5 3 5 3 7 3 7 4 Find the probability that
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15(a)[1]
15(b)[1]
15(c)[2]
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