Alcohol you purchase at the drug store is 70% pure alcohol. john wants to use a mixture of 5.6% alcohol on his car window washer. how much of the 70% alcohol should he mix with water to make 50 ounces of 5.6% alcohol mixture?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?