ECON 306 TPS Page 2 3 t In a sample of 100 movies, you find that the average duration of a movie is 125 minutes with a sample standard deviation of 9 minutes. If you watch a movie this weekend and it lasts for 140 minutes, is it fair to say that this is a long movie? a) What is meant by a "long movie"? b) Formulate and perform a hypothesis test to address the question. c) Translate your finding into an explanation that you would give to a friend. 4 Conditional Probability 1. Translate the mathematical statement into English: P(Y - 4X - 2) -- 0.3 2. Translate this sentence into a mathematical statement: The probability of getting a speeding ticket is higher if you are speeding