Quizzes - MATH302 1007 Winter us.edu/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=52827&isprv=&drc=0&qi=136747&cfql=0&dnb=0&fromQB= ledge Check Homework Practice Questions Time Left:4:55:42 Ashley Smith: Attempt 1 Question 1 (1 point) There is no prior information about the proportion of Americans who support free trade in 2018. If we want to estimate a 97.5% confidence interval for the true proportion of Americans who support free trade in 2018 with a 0.16 margin of error how many randomly selected Americans must be surveyed? Answer: (Round up your answer to nearest whole number)