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Calculate the sample size used to obtain this interval

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It is known that the content of cereal boxes made by a certain company is normally distributed with a standard deviation of 8 grams. The estimation of the real average of the contents of the boxes was made using confidence intervals and it turned out to be: 38.94, 41.06. What we know is that the confidence level is 92%. Calculate the sample size used to obtain this interval. (Express your answer as a whole number.)

Reference no: EM132529647

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