A slot machine has 3 wheels. Each wheel has 10 symbols, and each symbol is equally likely when the wheel is spun (assume the wheels act independently of each other). The middle wheel has 1 bell among its 10 symbols, while the left and right wheels have 4 bells each.

(a)You win the jackpot if the wheels show all bells. What is the probability of winning the jackpot on any given spin?

(b)Find the probability of obtaining exactly 2 bells on any given spin.

(c)What is the probability that you get a bell on the first wheelorthird wheel?