A random sample of 100 patients showed that 20 of those who participate in drug rehabilitation program were able to find employment within 3 months of entering the program. Estimate the percentage of patients who were able to get a job within 3 months of entering the program. Develop your estimate based on 99% confidence interval.

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?