3. In a normal frequency distribution of serum sodium concentrations, the mean is 141 mEq/L and the standard deviation is 3.2 mEq/L. Which of the following most closely represents thepercentage of values in the interval between 137.8 mEq/L and 144.2 mEq/L?A) 25%B) 50%C) 65%D) 95%E) 99%

The mean concentration is 141mEq/l. The standard deviation is 3.2 mEq/l. So ( mean - 1 SD )= 141 -…

Answered: 3. In a normal frequency distribution…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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3. In a normal frequency distribution of serum sodium concentrations, the mean is 141 mEq/L and the standard deviation is 3.2 mEq/L. Which of the following most closely represents the percentage of values in the interval between 137.8 mEq/L and 144.2 mEq/L? A) 25% B) 50% C) 65% D) 95% E) 99%