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Maintain 4-decimal places. The average gold content from an are sample in 36 different locations is found to be 2.6 grams per ton. a. Find

Maintain 4-decimal places.

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The average gold content from an are sample in 36 different locations is found to be 2.6 grams per ton. a. Find the 95% and 99% condence intervals for the mean gold content in that area. Assume that the population variance is H.139

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