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Verified Answer :

raphealnwobi

The weighted average of these values is 29.72%.  

Weighted Average

Weighted average is the average of a set of numbers, each with different associated weights or values. The weighted arithmetic mean is similar to an ordinary arithmetic mean.

From the question:

\(weighted\ average=\frac{5*0.75+6*0.15+7*0.1}{5+6+7} =0.2972=29.72\%\)

The weighted average of these values is 29.72%.  

Find out more on weighted average at: https://brainly.com/question/18554478