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Mathematics, 15.04.2020 01:40 SL10355
A consumer advocate wants to collect a sample of jelly jars and measure the actual weight of the product in the container. He needs to collect enough data to construct a confidence interval with a margin of error of no more than 4 grams with 90% confidence. The standard deviation of these jars is usually 5 grams. Estimate the minimum sample size required.
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