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Statement of a problem № m760

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Refer to Exercise 62, but assume there are 10 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? b. What is the probability none of the three selected homes has a security system? c. What is the probability at least one of the selected homes has a security system? d. Did you assume the events to be dependent or independent?




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