medium · GRE Quant
Scores in a supply-chain resilience study are normally distributed with mean 88 and standard deviation 6. Use the GRE approximation of 34% in each mean-to-one-standard-deviation band, 14% in each one-to-two band, and 2% in each tail beyond two standard deviations. Approximately what percent of scores are between 76 and 100?
- 96%
- 34%
- 14%
- 16%
- 48%
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