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A survey was conducted to find the possible relationship between age groups and the most favored of three book genres. The data is representedin the frequency table.MotivationalDo-It-YourselfTotalBiographies1101134026321-30 years31-40 years804421995· 10741-50 years9269268Total285153312750To the nearest tenth, what percentage of people were in the 41 – 50 age group and favored the Do-It-Yourself books?

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The Solution.

The total number of people surveyed = 750.

The number of age group 41 - 50 that favored the Do-It-Yourself books = 69

The percentage of the people in age group 41 - 50, and favored the Do-It-Yourself books is calculated as below:

[tex]\frac{69}{750}\times100=9.2\approx9\text{ \%}[/tex]

Hence, the correct answer is 9 percent.

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