Approximately 23% of the calls to an airline reservation phone line result in a reservation being made.
(a) Suppose that an operator handles 10 calls. What is the probability that none of the 10 calls result in a reservation? (Give the answer to 3 decimals places.)
(b) What assumption did you make to calculate the probability in Part (a)? Calls are dependent Calls are independent (c) What is the probability that at least one call results in a reservation being made? (Give the answer to 3 decimals places.)