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Description: Each American family is classified as living in an urban,rural, or suburban location. During a given year, 15% of allurban families move to a suburban location, and 5% moveto a rural location; also, 6% of all suburban families moveto an urban locati

Math

Probability

a If a family now lives in an urban location, what is the probability that it will live in an urban area two years from now? A suburban area? A rural area?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

Each American family is classified as living in an urban,
rural, or suburban location. During a given year, 15% of all
urban families move to a suburban location, and 5% move
to a rural location; also, 6% of all suburban families move
to an urban location, and 4% move to a rural location;
finally, 4% of all rural families move to an urban location,
and 6% move to a suburban location.
a If a family now lives in an urban location, what is
the probability that it will live in an urban area two years
from now? A suburban area? A rural area?
b Suppose that at present, 40% of all families live in
an urban area, 35% live in a suburban area, and 25%
live in a rural area. Two years from now, what percent-
of American families will live in an urban area?
c What problems might occur if this model were used
to predict the future population distribution of the United
States?
age

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