Which of the following situations appear suited to the use of a normal model? If there’s a problem, explain briefly what it is. a. Heights of adult male customers who shop at a clothing store 1 b....

Which of the following situations appear suited to the use of a normal model? If there’s a problem, explain briefly what it is.

a. Heights of adult male customers who shop at a clothing store¹

b. Value (in dollars) of purchases at the same store²

c. Number of items purchased by a customer at one time³