statistics

A set of milk chocolate MAMs has 6 red pieces, 7 blue pieces and 6 yellow pieces Two pieces were taken one by one without replacement, If we enumerate all pieces 1 through 19, what is the best way to represent a selection of pieces? BulbepiTe DONH OTOOT. a As a combination w = (X x2 x) = 1,2 . 19. X, - 12 O b. As an arrangement w = (X1, x2). # = 1.2. ... 19 O C. As a combination w = 0. 73. x = 1,2 O d. As an arrangement w - (31, X2). X, = 1. 2, .... 19. xi # k2