Sec 3/4 E Math T12-Q20 - Reading a Venn diagram of two events

Sec 3/4 E Math T12-Q20 - Reading a Venn diagram of two events

Secondary 3
Original parallel to Sec3&4 E Math FA

The Venn diagram shows the numbers of students in sets \(A\) and \(B\).

  1. Find \(n(A\cup B)\).
  2. One student is chosen at random. Find the probability that the student belongs to \(A\).
  3. Find the probability that the student belongs to neither \(A\) nor \(B\).

Solution:

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Answer:(a) \(37\); (b) \(\frac{11}{21}\); (c) \(\frac{5}{42}\).

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