In one study it was found that 86 of all homes have a


Question: In one study it was found that 86% of all homes have a functional smoke detector. Suppose this proportion is valid for all homes. Find the probability that in a random sample of 600 homes, between 80% and 90% will have a functional smoke detector. You may assume that the normal distribution applies.

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Basic Statistics: In one study it was found that 86 of all homes have a
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