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: 32

Answer

$\frac{19}{25}$

Work Step by Step

Since 152 of the 200 people tested had lower blood pressure the probability is $\frac{152}{200}=\frac{152\div8}{200\div8}=\frac{19}{25}$

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