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 - 5-2 Mean, Variance, Standard Deviation, and Expectation - Exercises 5-2 - Page 272: 8

Answer

Mean = μ = ∑X * P(X) =(1*0.301)+(2*0.176)+(3*0.125)+(4*0.097)+(5*0.079)+(6*0.067)+(7*0.058)+(8*0.051)+(9*0.046) = 3.441

Work Step by Step

--
This answer is currently locked

Someone from the community is currently working feverishly to complete this textbook answer. Don’t worry, it shouldn’t be long.