Select whether a one-tailed or two-tailed hypothesis test is most appropriate in the following situations: One-tailed Two-tailed a) Fantra wants to test whether the mean amount of wastage during its manufacturing process is less than 200 gallons per day. b) Holdem Motors wants to test whether the mean time to assemble a car is less than 24 hours. c) The Roads and Traffic Authority wants to test whether the mean number of speeding fines on a particular road is greater than 10 per day.