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Question

A public opinion survey explored the relationship between age and support for increasing the minimum wage. The results are summarized in the two-way table.
ForAgainstNo opinionTotal
$$21-40$$ $$25$$  $$20$$      $$5$$$$50$$
$$41-60$$ $$20$$  $$35$$      $$20$$$$75$$
Over $$60$$ $$55$$  $$15$$      $$5$$$$75$$
Total $$100$$  $$70$$      $$30$$$$200$$
In the $$21$$ to $$40$$ age group, what percentage supports increasing the minimum wage?


A
12.5%
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B
20%
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C
25%
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D
50%
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Solution

The correct option is D $$50\%$$
Total number of individuals in the age group $$(21-40)$$ $$=50$$
Number of Individuals supporting the increase of minimum wage $$=25$$
So percentage of individuals supporting increase of minimum wage $$=\dfrac { 25 }{ 50 } \times 100=50\%$$
Option $$D$$ is correct.

Mathematics

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