There are twenty stores for a grocery chain in the Mid-Atlantic region. The regional executive wants to visit five of the twenty stores. She asks her assistant to choose five stores and arrange the visit schedule. (Please show work for (c)).

(a) Does the order matter in the scheduling?

(b) Based on your answer to part (a), should you use permutation or combination to find the different schedules that the assistant may arrange?

(c) How many different schedules can the assistant recommend?

Mimi has seven books from the Statistics is Fun series. She plans on bringing two of the seven books with her in a road trip. (Please show work for (f)).

(d) Does the order matter in the book selection?

(e) Based on your answer to part (a), should you use permutation or combination to find the number of the different ways the two books can be selected?

(f) How many different ways can the two books be selected?