- CFA Exams
- CFA Level I Exam
- Study Session 2. Quantitative Methods (1)
- Reading 8. Probability Concepts
- Subject 10. Principles of Counting

###
**CFA Practice Question**

A student association is holding elections for President, Vice-President, Treasurer, and Secretary. There are 6 people that have volunteered to be elected for one of these positions. How many ways can these positions be elected from that group of people?

B. 520

C. 720

A. 360

B. 520

C. 720

Correct Answer: A

Use the permutation formula: [6!] / (6 -4)! = 360.

###
**User Contributed Comments**
4

User |
Comment |
---|---|

Kuki |
6 people for position of President = 6 ways 5 people for position of VP = 5 ways 4 people for position of Treasurer = 4 ways 3 people for position of Secretary = 3 ways therefore 6x5x4x3 = 360 |

Farina |
...or, using a BAII+ 6 [2nd] - (nPr) 4 360. |

Beret |
Permutations and not Combinations, cuz order "does" matter. |

Huricane74 |
= 6*5*4*3 = 360 |