2. A certain type of tennis racket comes in midsize and oversize versions. Sixty percent of all customers at a certain store prefer the oversize version. The store has seven rackets of the oversize version and 8 of the midsize. What is the probability that 11 customers who wish to buy this type of tennis racket will be able to buy the racket in the size of their choice? What is the probability that 11 customers who wish to buy this type of tennis racket will be able to buy the racket in the size of their choice if the store inventory has 11 rackets from each of the two sizes?