medium · GRE Quant
Patient wait times in an outpatient triage study are normally distributed with mean 24 minutes and standard deviation 5 minutes. Use the approximation that each mean-to-one-standard-deviation band contains 34%, each one-to-two-standard-deviation band contains 14%, and each tail beyond two standard deviations contains 2%. Approximately what percent of the wait times are greater than 14 minutes?
- 2%
- 16%
- 50%
- 84%
- 98%
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