suppose that a personal computer system contains choices pet

suppose that a personal computer system contains choices petaining to memory size (4 sizes), hard disc size (3 sizes), monitor size (2 sizes), and printer type (2 types, the number of different \"systems\" can be computed from

a. 4*3*2*2

b. (4*3)/(2*2)

c. 4!3!2!2!

d. 4!3!2!2!

Solution

By the multiplication principle, the choice of events is independent then we have options multiply.

a. 4*3*2*2=48