Suppose Dan has 3 black hats, 5 blue hats, and 1 gray hat. He also has 6 black rings, 3 blue rings, 4 red rings, 5 gray rings, and 2 green rings. If he randomly chooses a hat and a ring, what is the probability that the hat is blue and the ring is red? Give your answer as an exact fraction and reduce the fraction as much as possible

Suppose Dan has 3 black hats, 5 blue hats, and 1 gray hat. He also has 6 black rings, 3 blue rings, 4 red rings, 5 gray rings, and 2 green rings. If he randomly chooses a hat and a ring, what is the probability that the hat is blue and the ring is red? Give your answer as an exact fraction and reduce the fraction as much as possible

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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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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