1. Five girls and four boys are randomly seated in a row. How many seating arrangements are possible if . . .
(a) there are no restrictions?
(b) boys and girls alternate?
(c) boys sit together, girls sit together?
(d) Compa must sit in the middle chair?
(e) Girls sit at the end seats?
2. Please determine whether a permutation, combination, or neither is used. Please set up and solve each problem.
(a) In how many ways can a six card hand be drawn from a standard deck of fifty-two cards?
(b) How many codes are comprised of two letters followed by three digits?
(c) A choral group is known for fifteen songs. How many musical arrangements are possible if the
group has time for five songs?
(d) Compa’s wardrobe contains six sweaters, eight skirts, four headbands, and three pairs of shoes.
How many different outfits can Compa make from her wardrobe?
(e) How many committees of four be formed from fifteen people?