The world population in 2013 was about 7.125 billion. in 2003, it was about 6.357 billion. which number represents the increase in the world population between 2003 and 2013? a. 0.0768 × 107 b. 0.768 × 108 c. 7.68 × 109 d. 7.68 × 108

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?