14.1.1 - Random Variables
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Practice Questions
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Define a discrete random variable.
💡 Hint: Think of examples that can be counted, like the number of flaws in a batch of products.
What is a continuous random variable?
💡 Hint: Consider measurements like weight or time.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the defining characteristic of a discrete random variable?
💡 Hint: Remember examples with a limited number of outcomes.
True or False: Continuous random variables only take exact values.
💡 Hint: Think of real numbers in a range.
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Challenge Problems
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Consider a game where you roll two dice. Define the joint distribution for the sums of the two dice.
💡 Hint: Examine the possible pairs that lead to each sum.
A manufacturer inspects a batch of products and records the number of defects and weight. How can you represent this using joint probability?
💡 Hint: Consider how defects can relate to different weight categories.
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