We are interested in selecting 2 people from the 7-person task force.
n = 7
r = 2
nPr = n! / (n-r)!
7!
------
(7-2)!
=
7!
----
5!
7×6×5×4×3×2×1
------------------------
5×4×3×2×1
= 7×6
= 42
Answer:
(letters are going in order from top to bottom)
<u>Statistical</u> <u>Nonstatistical</u>
A
B
C
D
E
F
(0,2)
(1,5)
(2,8)
(3,11)
(4,14)