Decide Which of the Described Variables Likely Have a Normal

Multiple Choice

Decide which of the described variables likely have a normal or near-normal distribution.
a. The amount of change held by a teacher at the end of each day for a year
b. The amount of pocket money held by each student at a mid-sized liberal arts college at a
Given time
c. The number of heads that show when two coins are tosses

A) a
B) b
C) c
D) None