suppose babies botn after a gestiation pwriod of 32 to 35 weeks have a mean weight of 2700 grams and a standard deviation of 800 grams while babies born after gestation period of 40 weeks have a mean weight of 2900 grams and.a standard deviation of 385 grams. if.a 35 week gestation period baby weeks 220 grams and a 41 week gestation period baby weigh 2400 grams find the corresponding z scores . which baby weighs less relative to the gestation period