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OpenStax, Statistics §3.1 Terminology · Exercise 13 · Probability · Counting & chance

Terminology · Exercise 13

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.

Find P(E).

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OpenStax, Statistics · §3.1 Terminology · Exercise 13

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