The following table shows the approximate numbers of school goers in the United States (residents who attended some educational institution) in 1998, broken down b age group. Age 3-6.9 7-12.9 13-16.9 17-22.9 23-26.9 27-42.9 Population (millions) 5 23 18 14 Use the rounded midpoints of the given measurement classes to compute the probability P distribution of the age X of a school goer. (Round probabilities to four decima places.) Age 10 15 20 25 35 P(X = x) Compute the expected value of X, E(X). (Round your answer to one decimal place.) E(X) = What information does the expected value give about residents enrolled in schools? (Round your answer to one decimal place.) In 1998, the average age of a school goer |years old. was

The following table shows the approximate numbers of school goers in the United States (residents who attended some educational institution) in 1998, broken down b age group. Age 3-6.9 7-12.9 13-16.9 17-22.9 23-26.9 27-42.9 Population (millions) 5 23 18 14 Use the rounded midpoints of the given measurement classes to compute the probability P distribution of the age X of a school goer. (Round probabilities to four decima places.) Age 10 15 20 25 35 P(X = x) Compute the expected value of X, E(X). (Round your answer to one decimal place.) E(X) = What information does the expected value give about residents enrolled in schools? (Round your answer to one decimal place.) In 1998, the average age of a school goer |years old. was

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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