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Rus_ich [418]
3 years ago
10

Assume a class has 17 members.

Mathematics
1 answer:
Helga [31]3 years ago
6 0
A) 4080
B) 6188

A is a permutation, since order would matter:
P(17, 3)=\frac{17!}{(17-3)!}=\frac{17!}{14!}=4080

B is a combination, since order does not matter:
_{17}C_5=\frac{17!}{5!12!}=6188
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