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An SRS of 20 orangutans is selected, and 65 cc of blood is to be drawn from each orangutan using a 100 cc syringe. In the sample, the mean volume is 64 cc and the standard deviation is 12 cc. Assume that in the population of all such procedures, the amount of blood drawn follows a Normal distribution with mean ?.

Reference: Ref 17-1

We are interested in a 95% confidence interval for the population mean volume. The margin of error associated with the confidence interval is

Answer

A. 4.64.

B. 2.68.

C. 6.84.

D. 5.62.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91000114

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