If the manager of a bottled water distributor wants to


If the manager of a bottled water distributor wants to? estimate, with 90?% ?confidence, the mean amount of water in a? 1-gallon bottle to within ±0.004 gallons and also assumes that the standard deviation is 0.05 ?gallons, what sample size is? needed?

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Biology: If the manager of a bottled water distributor wants to
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