Answer
Cannot be.
Work Step by Step
We know that: $P(\overline{A})+P(A)=1$. Therefore P(A) cannot be 0.5.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 4 - Probability - 4-3 Addition Rule - Page 153: 1
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