Which one of these variables is a binomial random variable? A. time it takes a randomly selected student to complete a multiple choice exam B. number of women taller than 68 inches in a random sample of 5 women C. number of CDs a randomly selected person owns D. number of textbooks a randomly selected student bought this term

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.