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:

Insulin

A hormone produced by the pancreas that regulates blood glucose levels by facilitating the uptake of glucose into cells.

Dialysis

Dialysis is a medical process that removes waste products and excess fluid from the blood when the kidneys are not able to perform these functions naturally.

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A group of progressive lung diseases, including emphysema and chronic bronchitis, characterized by long-term breathing problems.

Blood Gas Values

Measurements of oxygen, carbon dioxide, and pH levels in the blood, used to assess and manage respiratory and metabolic disorders.