kennadir kennadir

13-07-2016
Mathematics

Answered

Decide if this is a combination or permutation and then answer the question. Minnie has 4 different stamps. She needs 3 to mail a large letter. How many ways can she pick the 3 that will be used?(pick two)

Acombination
Bpermutation
C4
D3
E24

F. 12

Verified Answer :

Edufirst Edufirst

24-07-2016

It is a combination, becasue the order does not matter

C (4,3) = 4! / [3! (4-3)!] = 4

Answer: A and C.

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