Math Problem Statement

De un grupo de 100 personas, 20 son mujeres. Si se selecciona al azar 30 personas ¿Cuál es la probabilidad de que en la selección allá exactamente 15 mujeres?

Solution

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Math Problem Analysis

Mathematical Concepts

Probability
Combinatorics
Hypergeometric Distribution

Formulas

Hypergeometric distribution formula

Theorems

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Suitable Grade Level

Advanced High School / College