How many new hires to lift the average
A team of 30 analysts currently averages 70 on an assessment. How many additional analysts, each scoring 90, must join so that the combined team average rises to exactly 78?
Show hints (2)+
- Set and solve for .
- Balance the deficits: each old analyst is 8 below target, each new one 12 above.
Answer
Reveal answer →Final answer
20
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Asked at: Multi-Strategy Quant, Data-Driven Research