Histograms showing the real population distribution of birthweights for non-Hispanic Black, non-Hispanic White, and Hispanic newborns are illustrated on page 4, along with normal models approximating these distributions. Based on these histograms and their normal approximations, select all of the following choices that apply. Group of answer choices The normal approximation is symmetrical while the histograms are all left-skewed. The normal approximation is symmetrical while the histograms are all right-skewed. Both the normal approximation and all histograms are symmetrical