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An elected official wants to take five members of his staff to an undisclosed se...
Question 13
Selected one answer choice
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An elected official wants to take five members of his staff to an undisclosed secure location. What is the minimum number of staff members the elected official must have in order to have at least 20 different groups from which to choose?
A.7
B.8
C.9
D.10
E.11
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