Math Problem Statement
En un proceso de ensamblaje, se tiene un lote de 200 piezas, de las cuales 30 son defectuosas. Si se toma una muestra de 20 piezas para realizar pruebas de control de calidad: Redondee a 4 decimales, use punto en vez de coma para separar a) ¿Cuál es la probabilidad de encontrar exactamente 5 piezas defectuosas? b) ¿Cuál es la probabilidad de encontrar 5 o más piezas defectuosas en la muestra?
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Probability
Hypergeometric Distribution
Sampling without Replacement
Formulas
P(X = k) = [C(D, k) * C(N-D, n-k)] / C(N, n)
P(X ≥ 5) = P(X = 5) + P(X = 6) + ... + P(X = 20)
Theorems
Hypergeometric Probability Theorem
Suitable Grade Level
Grades 11-12 (High School Statistics) or Undergraduate Probability Theory
Related Recommendation
Probability of Defective Pieces in Manufacturing - Binomial Distribution
Calculating Probabilities in a Vaccine Sample: Defective vs. Good Units
Probability of Exactly 4 Buses Having Cracks out of 5 - Hypergeometric Distribution
Probability of Selecting Exactly 15 Women from a Group of 100 People
Designing a Sampling Plan to Test Defective Rate with Hypothesis Testing