Question: The EPA is concerned about the quality of drinking water

The EPA is concerned about the quality of drinking water served on airline fights. A sample of 112 fights found unacceptable bacterial contamination on 14 fights.
(a) At α = .05, does this sample show that more than 10 percent of all fights have contaminated water?
(b) Find the p-value.

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  • CreatedAugust 19, 2015
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