Solved IB ACIO Question
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Q · Venn DiagramsMedium · 45s
The number of persons reading newspaper is shown in the following diagram (Survery of 50 persons). In a population of 10000, what is the number of persons expected to read at least two newspapers?
TopicVenn Diagrams
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
It is clear from the given Venn diagram that 27 people out of 50 are reading at least 2 newspaper. In a population of 10,000 = 10,000/50 × 50
= 200 × 50 = 5400
Final Answer: Option D — 5400