2. a pet food company wants to know the number of pets owned by adults ages 21 to 70. the frequency table shows the data from a simple random sample of the targeted population. total pets owned 1 2 3 4 5 6 7 number of adults 248 567 1402 728 419 456 203 what is the estimated mean for the population? explain your answer and show your work.

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.