Suppose three friends decide to go to Hamburger Hut. In the last month 86.1 % of the orders were filled correctly. What is the probability that: (a) All three of the orders of the three friends will...

Suppose three friends decide to go to Hamburger Hut. In the last month 86.1 % of the orders were filled correctly. What is the probability that:

(a) All three of the orders of the three friends will be filled correctly?

(b) None of the three will be filled correctly?

(c) At least two of the three will be filled correctly?