SOLUTION: . In a particular suburb, 50% of the households have installed electronic security systems. a. If a household is chosen at random from this suburb, what is the probability that t

Algebra ->  Probability-and-statistics -> SOLUTION: . In a particular suburb, 50% of the households have installed electronic security systems. a. If a household is chosen at random from this suburb, what is the probability that t      Log On


   

Question 560758: . In a particular suburb, 50% of the households have installed electronic security systems.
a. If a household is chosen at random from this suburb, what is the probability that this household has not installed an electronic security system?
b. If two households are chosen at random from this suburb, what is the probability that neither has installed an electronic security system?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
In a particular suburb, 50% of the households have installed electronic security systems.
a. If a household is chosen at random from this suburb, what is the probability that this household has not installed an electronic security system?:::1/2
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b. If two households are chosen at random from this suburb, what is the probability that neither has installed an electronic security system?::
(1/2)^2 = 1/4
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Cheers,
Stan H.
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