There are 10 electronics manufacturers, 7 banks and 5 insurance companies listed in the City of Redcliff Stock Exchange. In how many ways can we construct two investment portfolios, one for Alice and one for Bob, each consisting of 2 electronics manufacturers, 2 banks and 2 insurance companies, such that no company appears in both portfolios?

There are 10 electronics manufacturers, 7 banks and 5 insurance companies listed in the City of Redcliff Stock Exchange. In how many ways can we construct two investment portfolios, one for Alice and one for Bob, each consisting of 2 electronics manufacturers, 2 banks and 2 insurance companies, such that no company appears in both portfolios?

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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Concept explainers

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.

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There are 10 electronics manufacturers, 7 banks and 5 insurance companies
listed in the City of Redcliff Stock Exchange. In how many ways can we construct two
investment portfolios, one for Alice and one for Bob, each consisting of 2 electronics
manufacturers, 2 banks and 2 insurance companies, such that no company appears in
both portfolios?

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