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Cool Off A survey of southern California houses in a given town shows that 70% of the homes have an ...

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Cool Off A survey of southern California houses in a given town shows that 70% of the homes have an ...

Cool Off A survey of southern California houses in a given town shows that 70% of the homes have an air conditioning system and 90% of home have at least one ceiling fan. 65% of all homes surveyed had both features.
a. What is the probability that a randomly selected home neither feature?
b. What is the probability that a randomly selected home has a ceiling fan, given that it already has an air conditioning system?
c. Do these two house features appear to be independent? Justify your answer.

Textbook

Stats: Modeling the World

Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

Read 2758 times

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