Mathematics, 03.06.2021 09:10 petroale000

Grandma Gertrude’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 % cacao in its dark chocolate products, quality inspectors sample 30 pieces. They find a sample mean of 4% with a standard deviation of 2%. What is the margin of error at 90% confidence? a. 1.49%
b. 1.24%
c. 0.62%
d. 0.75%
e. 1.36%

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Grandma Gertrude’s Chocolates, a family owned business, has an opportunity to supply its product for...

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