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All changes saved 1. The 20 most populous countries in the world have an average population of 268.35 million with a standard deviation of 370.43 million. The United States has a population of 332 million, Egypt has a population of 104 million, and Mexico has a population of 128 million. India has a z-score of 2.86 , Japan has a z-score of -0.39, and Brazil has a z-score of -0.15. Part A: Calculate the z-scores for the United States, Egypt, and Mexico. Show your work (6 points) Part B: List all 6 countries in order from smallest to largest population and then explain why you ranked them this way. No explanation = no credit. (4 points) B i U Font Family AA A