Recovering a survey size from a complement

Recovering a survey size from a complement

Secondary 2
2 marks
TGM Original Questions

In a survey, the probability that a household owns exactly two tablet computers is \(\frac{5}{12}\). A total of 700 surveyed households do not own exactly two tablets. One household is selected at random. Find the total number of households surveyed.[2]

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Answer:\(1200\) households.

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