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Assume there are 11 homes in the Quail Creek area and 4 of them have a security system. Three homes are selected at random: a.

Assume there are 11 homes in the Quail Creek area and 4 of them have a security system. Three homes are selected at random:

a. What is the probability all three of the selected homes have a security system? (Round your answer to 4 decimal places.)

b. What is the probability none of the three selected homes has a security system? (Round your answer to 4 decimal places.)

c. What is the probability at least one of the selected homes has a security system? (Round your answer to 4 decimal places.)

Are the events dependent or independent?

Dependent

Independent

Joint

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