With a height of 63 in, George was the shortest president of a particular club in the past century. The club presidents of the past century have a

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With a height of 63 in, George was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 73.9in and a standard deviation of 2.4 in. a. What is the positive difference between George's height and the mean? b How many standard deviations is that [the difference found in part (a)]? c. Convert George's height to a z score. d If we consider "usual" heights to be those that convert to z scores between - 2 and 2, is George's height usual or unusual? a. The positive difference between George's height and the mean is CI in. lb. The difference is D standard deviations. ‘\ (Type an integer or decimal rounded to two decimal places as needed.) c. The 2 score is E.(Type an integer or decimal rounded to two decimal places as needed.) d. Is George's height usual or unusual? O Usual0 Unusual