Question: statistics and probability QUESTION 4. The average zinc concentration recovered from a sample of zinc measurements in 36 different locations is found to be 2.6

statistics and probability

QUESTION 4. The average zinc concentration recovered from a sample of zinc measurements in 36 different locations is found to be 2.6 grams per milliliter. Find the 95% and 99% confidence intervals for the mean zinc concentration in the river. Assume that the population standard deviation is 0.3

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