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Estimating the Confidence interval for the population mean.

The Kellogg Corporation controls approximately a 43 percent share of the ready-to-eat cereal market worldwide. A popular cereal is Corn Flakes. Suppose the weights of full boxes of a certain kind of cereal are normally distributed with a population standard deviation of 0.29 ounces. A random sample of 25 boxes produced a mean of 9.82 ounces.

a) Decide a 95% confidence interval for the true mean weight of such boxes?

b) Establish the margin of error.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919821

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