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- In a recent survey 40% houses contained 2 or more people.
Question 1:
In a recent survey 40% houses contained 2 or more people. Of those houses containing only one person, 25% were having only a male. What is the percentage of all the houses which contain exactly one females and no males? A. 75
B. 40
C. 15
D. 45
Feedback As per question, 40% houses contain two or more people.
i.e. 60% houses have only one person. O these houses 25% have male.
? 75% of 60% of the total houses have only one female and no males.
= .75 * 60% = 45%
i.e. 60% houses have only one person. O these houses 25% have male.
? 75% of 60% of the total houses have only one female and no males.
= .75 * 60% = 45%
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