(Answered) Question money magazine is on a search for the

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Question: Money magazine is on a search for the indestructible suitcase. If in a test of the Helium Fusion Expandable Suiter, 85 suitcases out of a sample of 100 randomly tested survived rough handling at the airport, give a 90% confidence interval for the population proportion of suitcases of this kind that would survive rough handling.

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