A doctor measured serum HDL levels in her patients, and found that they were normally distributed with a mean of 67.2 and a standard deviation of 4. Find the serum HDL levels that correspond to the following z-scores. Round your answers to the nearest tenth, if necessary. (a) z = -1.3 (b) z = 1.33

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A doctor measured serum HDL levels in her
patients, and found that they were normally
distributed with a mean of 67.2 and a standard
deviation of 4. Find the serum HDL levels that
correspond to the following z-scores. Round your
answers to the nearest tenth, if necessary.
(a) z = -1.3
(b) z = 1.33
Transcribed Image Text:A doctor measured serum HDL levels in her patients, and found that they were normally distributed with a mean of 67.2 and a standard deviation of 4. Find the serum HDL levels that correspond to the following z-scores. Round your answers to the nearest tenth, if necessary. (a) z = -1.3 (b) z = 1.33
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