Answer
This is a discrete probability distribution as the sum = 1 and all probabilities are non-negative between 0 and 1.
Work Step by Step
∑P(x) = 0.40 + 0.31 + 0.23 + 0.04 + 0.02
= 1
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 6 - Review - Review Exercises - Page 355: 2b
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