Which scenario(s) below should be counted using permutations?
I. the number of ways the gold, silver, and bronze medal winners can be chosen in an Olympic track-and-field event (assume that there are no ties)
II. the number of ways 3 people can be chosen to sit from among 8 people
III. the number of ways to choose 5 lottery numbers
IV. the number of ways to roll a total of 7 when rolling a pair of dice
V. the permutation may not be used in any scenarios
A. ?II only
B. ?I only
C. ?V only
D. ?IV only
E. ?III only
Answer: C
Mathematics
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Mathematics