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Randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values listed below have a mean of 12.18 ounces and a standard deviation of 0.118 ounces.

Use DataDesk to find a 99% confidence interval for the mean volume of Coke in cans. Show the upper and lower bound. Round the results to two decimal places.

  • statistics -

    consulting your standard Z table

    11.88 <= v <= 12.48

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