hp calculators
HP 20b Statistics – Rearranging Items Statistics on the HP 20b Rearranging items Practice solving problems involving
rearranging items
Page 1: ...hp calculators HP 20b Statistics Rearranging Items Statistics on the HP 20b Rearranging items Practice solving problems involving rearranging items ...
Page 2: ... a subgroup of a specified number of items from a larger group where the order of each of the items in the subgroup is not important the combination formula is used as shown in figure 2 below To find the combination of n items taken r at a time in algebraic or chain mode press n c r In RPN mode press n I r c The formula indicates the combinations of n items taken r at a time r n r n n Combinatio F...
Page 3: ...ng to determine the number of ways he can fill his bag with his 5 doughnuts from the 20 varieties in the display case He considers the order in which the doughnuts are placed into the bag to be quite important How many different ways can he put them in his bag Solution Since the order in which the doughnuts are placed in the bag matters the problem is solved as a permutation In algebraic or chain ...