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travenous fluid bags are filled by an automated filling machine. Assume that the fill volumes of the bags are independent, normal random variables with a standard deviation of 0.08 fluid ounces. (a) What is the standard deviation of the average fill volume of 21 bags

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Answer:

The standard deviation of the average fill volume of 21 bags is 0.0175 fluid ounces

Step-by-step explanation:

To calculate the standard deviation of the average fill volume of 21 bags, we simply divide the standard deviation by the square root of variable number

That will be 0.08/√21 = 0.0175 fluid ounces

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