The average production cost for major movies is 58 million dollars and the standard deviation is 22 million dollars. Assume the production cost distribution is normal. Suppose that 43 randomly...


The average production cost for major movies is 58 million dollars and the standard deviation is 22 million<br>dollars. Assume the production cost distribution is normal. Suppose that 43 randomly selected major movies<br>are researched. Answer the following questions. Round all answers to 4 decimal places where possible.<br>a. What is the distribution of X? X N<br>b. What is the distribution of ? - N(<br>c. For a single randomly selected movie, find the probability that this movie's production cost is between<br>53 and 58 million dollars.<br>d. For the group of 43 movies, find the probability that the average production cost is between 53 and 58<br>million dollars.<br>e. For part d), is the assumption of normal necessary? O No Yes<br>Question Help: E Written Example MMessage instructor<br>Submit Question<br>Jump to Answer<br>

Extracted text: The average production cost for major movies is 58 million dollars and the standard deviation is 22 million dollars. Assume the production cost distribution is normal. Suppose that 43 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 b. What is the distribution of ? - N( c. For a single randomly selected movie, find the probability that this movie's production cost is between 53 and 58 million dollars. d. For the group of 43 movies, find the probability that the average production cost is between 53 and 58 million dollars. e. For part d), is the assumption of normal necessary? O No Yes Question Help: E Written Example MMessage instructor Submit Question Jump to Answer

Jun 05, 2022
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