Answer
a. $0.29$
b.$2/3$
c. $0.52$
Work Step by Step
a. An alcoholic with elevated cholesterol level
$p=87/300=0.29$
b. A nonalcoholic
$p=200/300=2/3$
c. A nonalcoholic with nonelevated cholesterol level
$p=(200-43)/300=0.52$
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 4 - Probability and Counting Rules - 4-2 The Addition Rules for Probability - Exercises 4-2 - Page 208: 22
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