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A card is drawn from a 40-card Spanish deck. If the extracted card is a King, we go to urn N° 2; otherwise to urn N 1. Next we extract a ball. The content of um N° 1 is 7 white balls and 5 black balls and that of um N°2 is 6 white balls and 4 black balls. Find: The probability that the extracted ball is white and from urn N° 2.

A card is drawn from a 40-card Spanish deck. If the extracted card is a King, we go to urn N° 2; otherwise to urn N 1. Next we extract a ball. The content of um N° 1 is 7 white balls and 5 black balls and that of um N°2 is 6 white balls and 4 black balls. Find: The probability that the extracted ball is white and from urn N° 2.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A card is drawn from a 40-card Spanish deck. If the extracted card is a King, we go to urn N° 2; otherwise to urn N° 1. Next we extract a ball. The content of un N° 1 is 7 white balls and 5 black balls and that of um N°2 is 6 white balls and 4 black balls. Find: The probability that the extracted ball is white and from urn N° 2.
Transcribed Image Text:A card is drawn from a 40-card Spanish deck. If the extracted card is a King, we go to urn N° 2; otherwise to urn N° 1. Next we extract a ball. The content of un N° 1 is 7 white balls and 5 black balls and that of um N°2 is 6 white balls and 4 black balls. Find: The probability that the extracted ball is white and from urn N° 2.
Se extrae una carta de una baraja española de 40 cartas. Si la carta extraída es un Rey, nos dirigimos a la urna N° 2; en caso contrario a la urna N°1. A continuación extraemos una bola. El contenido de la urna N° 1 es de 7 bolas blancas y 5 negras y el de urna N°2 es de 6 bolas blancas y 4 bolas negras. Hallar: La probabilidad de que la bola extraída sea blanca y de la urna N° 2.
Transcribed Image Text:Se extrae una carta de una baraja española de 40 cartas. Si la carta extraída es un Rey, nos dirigimos a la urna N° 2; en caso contrario a la urna N°1. A continuación extraemos una bola. El contenido de la urna N° 1 es de 7 bolas blancas y 5 negras y el de urna N°2 es de 6 bolas blancas y 4 bolas negras. Hallar: La probabilidad de que la bola extraída sea blanca y de la urna N° 2.
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