For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with mean 114.8 and standard deviation 14.1. In a random sample of

For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with mean 114.8 and standard deviation 14.1. In a random sample of 64 women aged 18-24, nd the probability that the average systolic blood pressure is between 108 and 112 mm Hg.