Patrick managed to sell the 20th most bicycles last year of all the salespeople at the company. He also managed to sell the 20th least bicycles last year of all the salespeople at that company. How many salespeople were there at that company?Assume that no one sold the same number of bicycles than another

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?