Elementary Statistics (12th Edition)

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

Chapter 5 - Discrete Probability Distributions - Review Exercises - From Data To Decision - Page 241: c


The probability of part b) should be used.

Work Step by Step

We should use the probability of part b), because this tells us the probability that the number will be at least $428$. This allows us to see whether $428$ is large or small.
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