Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 5 - Discrete Probability Distributions - 5-1 Probability Distributions - Exercises 5-1 - Page 264: 19

Answer

X 0 1 2 3 P(X) 6/15 5/15 3/15 1/15

Work Step by Step

In the table and in the graph there is the probability distribution showing the likelihood of each number of medical tests performed. The most probable outcome is 0 tests, with a 40% chance. Interpretation - Most patients are likely to have 0 or 1 test upon entering the hospital. - The chance of having 3 tests is quite low. - This distribution can help hospitals allocate resources or anticipate patient needs.
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