Use the Following Information to Answer Questions (1) - (5)

question 4

Multiple Choice

Use the following information to answer questions (1) - (5) . Feature movie lengths (in hours) were measured for all movies shown in the past year in the U.S. The mean length of all feature length movies shown was 1.80 hours with a standard deviation of 0.15 hours. Suppose the length of a random sample of 20 movies was recorded from all movies released this year. The mean length of the feature length movies was found to be 1.72 hours with a standard
deviation of 0.18 hours.
-If we create a sampling distribution of sample means, what would be the mean and standard deviation of that distribution given the sample size of 20?

• A)The mean length would be 1.80 hours with a standard deviation of 0.18 hours.
• B)The mean length would be 1.80 hours with a standard deviation of 0.15 hours.
• C)The mean length would be 1.72 hours with a standard deviation of 0.18 hours.
• D)The mean length would be 1.80 hours with a standard deviation of 0.034 hours.

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Definitions:

Merchandise Trade Deficit

A situation where a country's imports of goods exceed its exports of goods, leading to a negative balance of trade.

Record

A document or electronic file that systematically captures and preserves information or data for future reference or analysis.

Japan

An island country located in East Asia, known for its rich culture, technological advancements, and historical significance.

China

A country located in East Asia, known for being the most populous nation in the world and having one of the largest economies globally.