Question: =+A.15 A city ordinance requires that a smoke detector be installed in all residential housing. There is concern that too many residences are still without

=+A.15 A city ordinance requires that a smoke detector be installed in all residential housing. There is concern that too many residences are still without detectors, so a costly inspection program is being contemplated. Let p 5 the proportion of all residences that have a detector. A random sample of 25 residences will be selected. If the sample

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