Site navigation

In a certain population, the ratio of number of women to the number of men is 6 : 5. If the average age…

The average age is \(33\frac{1}{11}\) years. Weighting the two averages by the numbers of women and men gives \(\frac{6\times34+5\times32}{6+5}\) \(=\frac{364}{11}\)…

Choose your answer

In a certain population, the ratio of number of women to the number of men is 6 : 5. If the average age of the women is 34 years and the average age of the men is 32 years, then the average age of the population (in years) is

Select one answer
Answer and explanation

Correct answer C

The average age is 3311133\frac{1}{11} years. Weighting the two averages by the numbers of women and men gives 6×34+5×326+5\frac{6\times34+5\times32}{6+5} =36411=\frac{364}{11} =33111=33\frac{1}{11}.

Practice for these exams

Related question papers

Related exam syllabi

Related questions in this topic