A bakery makes some awesome cupcakes. The baker believes th…
A bakery makes some awesome cupcakes. The baker believes that 88 grams of frosting is used on these cupcakes. Customers believe it is more than that. The customers perform an experiment. They sample 20 cupcakes and find the average amount of frosting to be 91 grams with a standard deviation of 5 grams. Use a significance level of 0.05. Use mu for
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