On any Saturday, the probability that Arun plays football is $$\(\frac{3}{4}\)$$. On any Saturday, the probability that Bob plays football is $$\(\frac{2}{5}\)$$. Complete the tree diagram.
Exam No：0580_s20_qp_43 Year：2020 Question No：7(a)(i)
Answer:
\(\frac{3}{4}, \frac{1}{4} \quad \frac{2}{5}, \frac{3}{5} \quad \frac{2}{5}, \frac{3}{5}\)
Knowledge points:
E8.6 Calculate conditional probability using Venn diagrams, tree diagrams and tables. (e.g. Two dice are rolled.) (Given that the total showing on the two dice is 7, find the probability that one of the dice shows the number 2.)
Solution:
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