Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 4 - Probability - 4-3 Addition Rule - Basic Skills and Concepts: 1

Answer

Cannot be.

Work Step by Step

We know that $P(A)+P(\overline{A})=1.$ Therefore it can't be 0.5.
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