1) Confidence Interval for the mean (u) with known variance (62) Example 2 : As a quality manager of a company that sell

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1 Confidence Interval For The Mean U With Known Variance 62 Example 2 As A Quality Manager Of A Company That Sell 1 (320.71 KiB) Viewed 34 times

1) Confidence Interval for the mean (u) with known variance (62) Example 2 : As a quality manager of a company that sells cereals, you want to evaluate the filling mean of the cereal boxes of a new line cereal you are marketing. You carry out an experiment and obtain the weight in grams of 16 boxes of cereal (506, 508, 499, 503, 504, 510, 497, 512, 514, 505, 493, 496, 506, 502, 509 and 496). The weight of each box is a normal random variable and according to the specifications of the manufacturer of the filling machine, the weight variance of each box is 25 grams. → Obtain the 90%, 95% and 99% confidence intervals.