Combinations and Permutations Worksheet 1 1. The school board has seven members
a. The board must have three officers: a chairperson, an assistant chairperson, and a secretary. How many different sets of these officers can be formed from this board?
b. How many three-person committees can be formed from this board?
c. Is part (a) asking for a number of permutations or a number of combinations? What about part (b)?
d. How are your answers to parts (a) and (b) related? ​