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Test: High School Math
1. | If a population has a normal distribution, the number of values within one positive standard deviation of the mean will be . . . |
fewer than 20% of all values in the population
at least 40% of all values in the population
equal to the number of values within two negative standard deviations of the mean
equal to the number of values within one negative standard deviation of the mean
fewer than the number of values within one negative standard deviation of the mean
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