the data show the number of games played each year by sammy. determine if the data are approximately normally distributed.
81, 148, 152, 135, 151, 152, 159, 142,34,162, 130, 162,163,143,67,112,70
Did you construct a histogram?
Here is a one. Does that look normally distributed to you?
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.