   Chapter 9.1, Problem 20E ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Children The table shows the probability distribution of the numbers of children per family in the United States in 2014. (Source: U.S. Census Bureau) Children, x 0 1 2 3 or more P(x) 0.570 0.183 0.161 0.086 (a) Sketch the probability distribution.(b) Find the probability that a family has at least 2 children.(c) Find the probability that a family has at most 2 children.(d) Find the probability that a family has at least 1 child.

(a)

To determine

To graph: The probability distribution sketch for the distribution of the numbers of children as provided in the table,

 Children, x 0 1 2 3 or more P(x) 0.57 0.183 0.161 0.086
Explanation

Given Information:

The provided table for the numbers of children per family is,

 Children, x 0 1 2 3 or more P(x) 0.57 0.183 0.161 0.086

Graph:

Consider the provided table for the numbers of children per family,

 Children, x 0

(b)

To determine

To calculate: The probability for the number of children at least 2 from the provided table of probability distribution,

 Children, x 0 1 2 3 or more P(x) 0.57 0.183 0.161 0.086

(c)

To determine

To calculate: The probability for the number of children at most 2 from the provided table of probability distribution,

 Children, x 0 1 2 3 or more P(x) 0.57 0.183 0.161 0.086

(d)

To determine

To calculate: The probability for at least 1 child that a family has from the provided table of probability distribution,

 Children, x 0 1 2 3 or more P(x) 0.57 0.183 0.161 0.086

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