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Real estate ads suggest that 75 %of homes for sale have​ garages, 40 %have swimming​ pools,...

Real estate ads suggest that 75 %of homes for sale have​ garages, 40 %have swimming​ pools, and 17 %have both features.

​a) If a home for sale has a​ garage, what's the probability that it has a​ pool, too? (Round to three decimal places as​ needed.)

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Answer #1

P(garage) = 0.75 , P(pool) = 0.40 , P(garage and pool) = 0.17

So,

P(Pool | garage) = P(pool and garage) / P(Garage)

= 0.17 / 0.75

= 0.227

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