hannahenyuan5319 hannahenyuan5319
  • 10-05-2021
  • Mathematics
contestada

There are 15 applicants for four jobs: computer programmer, software tester, manager, and systems engineer.



A) Permutation


B) Combination


C) Circular permutation

Respuesta :

codiepienagoya codiepienagoya
  • 12-05-2021

Answer:

The answer is "Option A".

Step-by-step explanation:

[tex]\to ^{15}P_{4} = \binom{15}{4}\\\\[/tex]

            [tex]=\frac{15 !}{15-4!}\\\\=\frac{15 !}{11!}\\\\ =\frac{15 \times 14 \times 13 \times 12 \times 11!}{11!}\\\\ = 15 \times 14 \times 13 \times 12 \\\\=32760[/tex]

Answer Link
bryanroberts bryanroberts
  • 07-12-2021

Answer:

A is the answer the person above is a NERD -_-

Step-by-step explanation:

Answer Link

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