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 the number of values within one negative standard deviation of the mean

fewer than 20% of all values in the population

equal to the number of values within one negative standard deviation of the mean

at least 40% of all values in the population

equal to the number of values within two negative standard deviations of the mean

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