Answer
$0.5$
Work Step by Step
know that $probability=\frac{number \ of \ good \ outcomes}{number\ of\ all\ outcomes}$. We need to express the probability in decimals. Therefore 50-50 is $\frac{50}{50+50}=\frac{50}{100}=0.5$
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 4 - Probability - 4-2 Basic Concepts of Probability - Basic Skills and Concepts - Page 145: 15
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