# Question

In a particular suburb, 30% 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?

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?

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