Salty sees that belts and boots are on sale at a local weste

Salty sees that belts and boots are on sale at a local western wear store and stops to see what they have. She finds 10 belts (2 with rhinestones and 8 without) and 100 pars of boots 50 made of alligator leather and 50 made of something other than alligator leather). Sally wants a rhinestone belt and alligator boots, but the sale stimulates that the items weir he chase; at radon. In other words, she can purchase one belt and one pair of boots, but which type of each will be up to chance. If Salty makes a purchase, what are all the different combinations of belt and boots that Sally might end up with and the like hood of each\' Use the lot owing symbols:

Solution

a) 1/10 ( r/a ) , 1/10 (r/na) , 4/10 (nr/a) , 4/10 (nr/na)