Confidence interval for mean-known standard deviation

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Reference no: EM1321802

The amount of fluid in a half-liter bottle of diet cola is normally distributed and, from past experiences the standard deviations known to be 1.20 milliliters (ml). A sample of 50 bottles reveals a mean weight of 502.1ml. Construct and interpret 90 percent on confidence interval for the mean. Be sure to interpret the meaning of this interval.

Reference no: EM1321802

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