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When attending a movie, patrons are interested in avoiding the pre-movie trivia games, ads, and previews. It is known that the previews begin at the scheduled movie start time and they last between 5 and 15 minutes. Assume that the time of the previews is uniformly distributed.
A) Find the expected time and variance of the movie preview duration.
B) What is the probability that on a given day the previews last between 10 and 12 minutes?
Psychological Finding
A discovery or observation made in the field of psychology, often based on research or experimental results.
Critical Thinking
The objective analysis and evaluation of an issue in order to form a judgment, characterized by open-mindedness and the ability to question assumptions.
Well-supported Reasons
Arguments or explanations that are backed by solid evidence, making them persuasive and credible.
Empirical Research
A way of gaining knowledge by means of direct and indirect observation or experience, often involving systematic data collection and experimentation.
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