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An Automatic Coffee Vending Machine Dispenses a Different Amount of Coffee

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An automatic coffee vending machine dispenses a different amount of coffee in ounces for each cup. Assume the nine measurements below were taken from a population with a normal distribution.
6.5, 6.0, 6.9, 6.2, 6.1, 6.6, 6.8, 6.0, 6.1
Construct an 80% confidence interval for the mean amount of ounces that is dispensed for all cups of coffee from this machine. Interpret the interval in part (a).
a. What is the 80% confidence interval (CI)?
CI = ______________ Enter (n1, n2)
Interpret the interval:
________________________________________________________

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(6.193, 6.519); One can estima...

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