A study of social mobility in England looked at the social class reached by the sons of lower-class fathers. Social classes are numbered from 1 (low) to 5 (high). Take the random variable X to be the class of randomly chosen son of a father in Class 1. The study found that the distribution of X is Sons class 1 2 3 4 5 probability .48 .38 .08 .05 .01 A. What percent of the sons of lower-class fathers reach the highest class, Class 5? B. Does the distribution satisfy the requirements for a discrete probability distribution? C. What is P(X≤3)? D. What is P(X<3)? E. What is the probability a son of a lower-class father reaches one of the two highest classes? F. What is the expected class that a son of a lower-class father would reach?
A study of social mobility in England looked at the social class reached by the sons of lower-class fathers. Social classes are numbered from 1 (low) to 5 (high). Take the random variable X to be the class of randomly chosen son of a father in Class 1. The study found that the distribution of X is Sons class 1 2 3 4 5 probability .48 .38 .08 .05 .01 A. What percent of the sons of lower-class fathers reach the highest class, Class 5? B. Does the distribution satisfy the requirements for a discrete probability distribution? C. What is P(X≤3)? D. What is P(X<3)? E. What is the probability a son of a lower-class father reaches one of the two highest classes? F. What is the expected class that a son of a lower-class father would reach?
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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A study of social mobility in England looked at the social class reached by the sons of lower-class fathers. Social classes are numbered from 1 (low) to 5 (high). Take the random variable X to be the class of randomly chosen son of a father in Class 1. The study found that the distribution of X is
| Sons class | 1 | 2 | 3 | 4 | 5 |
| .48 | .38 | .08 | .05 | .01 |
A. What percent of the sons of lower-class fathers reach the highest class, Class 5?
B. Does the distribution satisfy the requirements for a discrete probability distribution?
C. What is P(X≤3)?
D. What is P(X<3)?
E. What is the probability a son of a lower-class father reaches one of the two highest classes?
F. What is the expected class that a son of a lower-class father would reach?
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