In a study of Facebook users conducted in a recent year, the mean number of Facebook friends per user was 216 and the median was 347. If a histogram were constructed for the numbers of Facebook friends for all Facebook users, would you expect it to be skewed to the right, skewed to the left, or approximately symmetric? Four of the people on Student Council are Zachary, Yolanda, Xavier, and Walter. What is the probability that Zachary is president, Yolanda is vice president, Xavier is secretary, and Walter is treasurer? Round your answer to six decimal places. The probability that Zachary is president, Yolanda is vice president, Xavier is secretary, and Walter is treasurer is