State the empirical rule as specialized to variables.
for any variable whose distribution the following properties hold. answer options: is triangular, is uniform, is bell shaped
property 1: approximately all possible observations lie within one standard deviation to either side of the mean.
property 2: approximately of all possible observations lie with in two standard deviations to either side of the mean.
property 3: approximately of all possible observations lie within three standard deviations to either side of the mean.
a. 89%, 99.7%, 100%, 75%, 95%, 68%
b. 99.7%, 68%, 95%, 100%, 75%
c. 95%, 99.7%, 100%, 68%, 89%