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# Probability of intersection or union: Word problems

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WLD Incorporated, a national data-collection agency, estimates that 55% of all customers at home warehouse stores (in the United States) own their own home. WLD also estimates that 30% of all home warehouse customers have lived at their current address for less than five years, and that 58% of all home warehouse customers own their own home or have lived at their current address for less than five years (or both). Using these estimates, what is the probability that a randomly selected home warehouse customer both owns her own home and has lived at her current address for less than five years?

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#### Solution Preview

P(own their own home) = 0.55
P(have lived at their current address for less than five years) = 0.30

P(own their own home or have lived at ...

#### Solution Summary

The probability of intersection or union is examined.

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