Assume there are 13 homes in the Quail Creek area and 6 of them have a security system. Three homes are selected at random:

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

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

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

1. Are the events dependent or independent?

• Dependent
• Independent
• Joint