In a medical study of preeclampsia, kaminski and rechberger found the mean systolic blood pressure of 10 healthy, non-pregnant women to be 119 with a standard deviation of 2.1. assume the variable is normally distributed. (preeclampsia: development of hypertension, albuminuria, or edema between the 20th week of pregnancy and the first week postpartum. eclampsia: coma and/or convulsive seizures in the same time period, without other etiology.) a. compute the 95 percent confidence interval. b. compute the 98 percent confidence interval.