The expression 3C2 represents the number of ways of:

a choosing 2 items at a time from a set of 3. c. arranging, in order, 2 items from a set of 3.

b. choosing 3 items at a time from a set of 2. d. arranging, in order, 3 items from a set of 2.

Respuesta :

Answer:

Option a.

Step-by-step explanation:

The given expression is  

[tex]^3C_2[/tex]

C denotes combination and P denotes permutation.

[tex]^nC_r[/tex] means choosing r items at a time from a set of n.

[tex]^nP_r[/tex] means arranging r items at a time from a set of n.

The given expression is a combination, where n=3 and r=2. It means the given expression represents the number of ways of choosing 2 items at a time from a set of 3.

Therefore, the correct option is a.