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21-03-2024
Mathematics

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A residential area has 5000 private houses. We want to estimate the proportions of houses with (a) more than three persons living in the house; (b) more than one mobile phone owned by the occupants. What is the total number of houses with more than three persons living in them if this proportion is estimated to be 0.15?
a) 500
b) 750
c) 250
d) 1250

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