CFA Practice Question

CFA Practice Question

A permutation is all of the possible orders or combinations of a series of objects. Which of the following variables are necessary to compute a permutation problem?
A. Number of elements to be selected and order of the elements.
B. Number of elements available for selection and the order of the elements.
C. Number of the elements available for selection and the number of elements to be selected.
Explanation: Permutation use the formula P(n,r) = n! / [r!(n-r)!] where n = number of elements and r = elements available to be selected.

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