Question

find the weighted average of these values. value : weight : 1.00 75.0% 2.00 15.0% 3.00 10.0% 

          find the weighted average of these values.
value :             weight : 
1.00                  75.0%
2.00                  15.0%
3.00                   10.0%

Added by Brittany C.

Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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find the weighted average of these values. value : weight : 1.00 75.0% 2.00 15.0% 3.00 10.0%
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Transcript

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00:01 Here we're going to find the weighted average, and we are told we have 1, 75%, 2, 15%, and 3, 10%.
00:16 So our weighted average equals 1 times 75 plus 2 times 15 plus 3 times 10.
00:27 So all we did was put that multiplication sign right here, and we're going to divide that by the 75 plus 15 ,000, plus 10.
00:39 That's these numbers right here added together...
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