If the population is normally distributed, (1) find the interval that contains 68.26% of the measurements (2) find the interval that contains 95.44% of

A) (1) ± 1 standard deviation; (2) ± 2 standard deviations
B) (1) ± 2 standard deviations; (2) ± 3 standard deviations
C) (1) ± 3 standard deviations; (2) ± 1 standard deviation
D) (1) ± 1.5 standard deviations; (2) ± 2.5 standard deviations