(All Steps) In Smallville four of the ten families have security system in their homes. If 3 different families are randomly selected, what is the probability
Question: In Smallville four of the ten families have security system in their homes. If 3 different families are randomly selected, what is the probability that
- The three have a security system?
- None of the three has a security system?
Deliverable: Word Document 
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[Solved] The state of OH averages 4 serial crimes per 100 crimes.
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[Step-by-Step] In the state of OH 40 percent of all telephone calls
(Step-by-Step) The City of Boston wants to estimate what proportion
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