Random variables and probability mass functions notes

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Unformatted text preview: s and Probability Mass Functions Notes From Variables to Random Variables Probability Mass Function 9.5 Example 33 continued We define the event A as the event that a student has 2 or more siblings. What is P(X ∈ A)? Random Variables and Probability Mass Functions Solution. P(X ∈ A) = P(X ≥ 2) = .275 + .075 + .025 = .375 From Variables to Random Variables Probability Mass Function 9.6 Notes Discrete Random Variables There are two main types of quantitative random variables: discrete and continuous. A discrete ran...
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