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A hamburger chain sells large hamburgers. When we take a sample of 40 hamburgers and weigh​...

A hamburger chain sells large hamburgers. When we take a sample of 40 hamburgers and weigh​ them, we find that the mean is 0.45 pounds and the standard deviation is 0.3 pound. a. A technology input menu for calculating a confidence interval requires a sample​ size, a sample​ mean, and a sample standard deviation. State how you would fill in these numbers.

b. Using the accompanying technology​ output, report the confidence interval in a carefully worded sentence.

Math   Statistics-And-Probability   
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