With a height of 62

62 in, Vincent

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 75.5

75.5 in and a standard deviation of 2.2

2.2 in.

a.

a.

What is the positive difference between Vincent

Vincent's height and themean?

b.

b.

How many standard deviations is that[the difference found in part(a)]?

c.

c.

Convert Vincent

Vincent's height to a z score.

d.

d.

If we consider"usual" heights to be those that convert to z scores between minus

2 and2, is Vincent

Vincent's height usual orunusual?