Confidence interval for the true mean

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Carol's Chocolates, a family owned? business, has an opportunity to supply its product for distribution through a large coffee house chain.? However, the coffee house chain has certain specifications regarding cacao content as it wishes to advertise the health benefits? (antioxidants) of the chocolate products it sells. In order to determine the mean percentage of cacao in its dark chocolate? products, quality inspectors sample 36 pieces. They find a sample mean of? 55% with a standard deviation of? 4%. What is the correct value of t to construct a? 95% confidence interval for the true mean percentage of? cacao? (Round to the nearest thousandth.)

Reference no: EM132409472

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