(Answered) Question shown here are the top 19 companies in the world

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Question: Shown here are the top 19 companies in the world in terms of oil refining capacity. Some of the companies are privately owned and others are state owned. Suppose six companies are randomly selected.

a. What is the probability that exactly one company is privately owned?

b. What is the probability that exactly four companies are privately owned?

c. What is the probability that all six companies are privately owned?

d. What is the probability that none of the companies is privately owned?

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