28.3 - Distributions of Random Variables
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Practice Questions
Test your understanding with targeted questions
What is a uniform distribution?
💡 Hint: Think of a scenario where all outcomes have the same chance.
Describe a normal distribution.
💡 Hint: What does the graph of a test score distribution look like?
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which distribution indicates all values within a range are equally likely?
💡 Hint: Think about a scenario where no value is preferred over another.
True or False? The normal distribution curve is symmetric around the mean.
💡 Hint: Visualize the bell shape.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design an experiment to test the hypothesis that a new material's strength follows a lognormal distribution. Define parameters and expected outcomes.
💡 Hint: Consider what shape your data might take and how to visualize it.
Given two structural materials' strengths, model their interaction using a bi-normal distribution and describe potential construction implications.
💡 Hint: Explore how each material's behavior contributes to safety margins.
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