The general manager of a fast-food restaurant chain must select 6 restaurants from 16 for a promotional program. How manydifferent possible ways can this selection be done?It is possible to select the six restaurants indifferent ways.х5

Respuesta :

To know how many possible ways, we have to use the combination formula:

[tex]\text{nCr}[/tex]

where n is the total sample, and r is the number we want.

In our case, n = 16 and r = 6. Then, replacing these values in the formula, we get:

[tex]16C6[/tex]

The latter can be also written as:

[tex]\frac{16!}{(16-6)!\cdot6!}[/tex]

Solving this expression we get...

Answer: 8008