Peter is carrying 5 pages of sheet music and 7 pages of English homework. A gust of wind blows all of his paper away and he’s only able to recover 5 pages. What’s the probability that he recovers at least 4 pages of sheet music.

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?