Which situation would be represented by zero? an altitude of 37 feet. an altitude of 7 meters below sea level. an altitude of 8 meters above sea level. an altitude at sea level.

I'm confused on this could anyone me and show me what i need to do to solve it.

Which of the functions below could have created this graph?

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.)