An online music service that customers download an unlimited number of songs for $0.25 each after paying a monthly membership fee of $5 the total amount of money a customer spends on the music in dollars in a single month can be found using the function y equals 0.25 x +5 what does the variable x represent in this function

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)