In order to reduce green gas emissions as well as generate clean energy, scientists from Argentina have come up with a novel idea of capturing methane gas from cows' digestive tracts, using a cannula going from her digestive tract to a backpack. The scientist claims to capture at least 300 liters of methane gas per day, enough to run a car for 24 hours. You are to conduct a study to test the scientist's claim. State the null and the alternative hypotheses required to test the scientist's claim.