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3.1 Exercise 25

Avg difficulty 2.5


Use the following information to answer the next six exercises. There are 23 countries in North America, 12 countries in South America, 47 countries in Europe, 44 countries in Asia, 54 countries in Africa, and 14 countries in Oceania (Pacific Ocean region).
Let A = the event that a country is in Asia.
Let E = the event that a country is in Europe.
Let F = the event that a country is in Africa.
Let N = the event that a country is in North America.
Let O = the event that a country is in Oceania.
Let S = the event that a country is in South America.

What is the probability of rolling a prime number of dots with a fair, six-sided die numbered one through six?

OpenStax Statistics, 3.1 Terminology, exercise 25

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