Using the bell-shaped empirical rule graph/chart below, find the percentage of 13.5% and the standard deviation. About__________% of the area is between z= ___ and z= ___ (or within ____ standard deviations of the mean).

99.7% of data are within 3 standard deviations of the mean ( x - 3s to * + 35) 95% within 2 standard deviations 68% within 1 standard deviation 34% 34% 2.4 % 2.4% 0.1% 0.1% 13.5% 13.5% x - 35 x - 25 x- s xts *+ 25 x+ 3s