The average production cost for major movies is 58 million dollars and the standard deviation is 21 million dollars. Assume the production cost distribution is normal. Suppose that 39 randomly selected major movies are researched. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N 58 b. What is the distribution of ? -N 58 3.36 X O c. For a single randomly selected movie, find the probability that this movie's production cost is between 54 and 60 million dollars. 21 Question Help:Written Example Message instructor ✓00 d. For the group of 39 movies, find the probability that the average production cost is between 54 and 60 million dollars. hs e. For part d), is the assumption of normal necessary? Yes No o

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