With a height of 65 in, Vincent was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 74.8 in and a standard deviation of 1

With a height of 65 in, Vincent was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 74.8 in and a standard deviation of 1.8 in. what is the positive difference between Vincent's height and the mean?