Question 16

O Question 16 I 0/1 pt The average production cost for major movies is 61 million dollars and the standard deviation is 18 million dollars. Assume the production cost distribution is normal. Suppose that 46 randomly selected major movies are researched. Answer the following questions. Give your answers in millions of dollars, not dollars. Round z-scores to 2 decimal places for use in calculations. Round all other answers to 4 where possible. a. What is the distribution of X? X N( b. What is the distribution of i? - N( c. For a single randomly selected movie, find the probability that this movie's production cost is between 59 and 61 million dollars. d. For the group of 46 movies, find the probability that the average production cost is between 59 and 61 million dollars. e. For part d), is the assumption of normal necessary? O NOO Yes