题目
题目

ECON 3640-090 Spring 2025 Lecture #15 Warm-Up

单项选择题

_________________ distributions are models for some categorical variables, typically representing the number of successes in a series of n trials. The observations must meet these requirements: The total number of observations n is fixed in advance. The outcomes of all n observations are independent. Each observation falls into just one of two categories: success or failure. All n observations have the same probability of “success,” p.

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The question asks to identify which distributions are models for a certain type of categorical variable, specifically describing the number of successes in a fixed number of independent trials......Login to view full explanation

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