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?
Company .......... Ownership Status
ExxonMobil ....... Private
Royal Dutch/Shell ..... Private
Sinopec .......... Private
British Petroleum ...... Private
ConocoPhillips ....... Private
Petroleos de Venezuela .... State
Total ........... Private
Valero Energy ....... Private
China National ....... State
Saudi Arabian ........ State
Petroleo Brasilerio ..... State
Chevron ......... Private
Petroleos Mexicanos ..... State
National Iranian ....... State
Nippon .......... Private
Rosneft (Russia) ....... State
OAO Lukoil ......... Private
Repsol YPF ......... Private
Kuwait National ....... State



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  • CreatedFebruary 19, 2015
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