Elementary Statistics (12th Edition)

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

Chapter 5 - Discrete Probability Distributions - Review - Chapter Quick Quiz - Page 236: 1



Work Step by Step

Yes, because 0.25 is at least 0 and not more than 1 and 0.25+0.25+0.25+0.25=1.
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