
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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Question
Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately
(g) If a female had an RBC count of 5.9 or higher, would that be considered unusually high? Explain using z values.
A. Yes. A z score of 0.75 implies that this RBC is unusually high.
B. No. A z score of −0.75 implies that this RBC is unusually low.
C. No. A z score of 0.75 implies that this RBC is normal.

Transcribed Image Text:Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean u = 5.6 and standard deviation o = 0.4.
The Standard Normal Distribution
(u = 0, o = 1)
-2
-1
68% of area
95% of area
99.7% of area
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