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Asked Dec 13, 2019
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Analysis of bottle water. Is the bottle water you are drinking really purified water? A study of various brands of bottled water conducted by the Natural Resources Defence Council found that 25% of bottled water is just tap water packaged in a bottle (www.nrcd.org). Consider a sample of five bottle - water brands, let x equal the number of these brands that use tap water.

 b. Find P ( x = 3)

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P[ Bottbel = o.80 water is just a tep water] find PC x = 3)

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