Answer
$\frac{19}{100}$
Work Step by Step
Since 38 of the 200 people tested had higher blood pressure the probability is
$\frac{38}{200}=\frac{38\div2}{200\div2}=\frac{19}{100}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 8 - Section 8.5 - Counting and Introduction to Probability - Exercise Set - Page 582: 31
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