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(c) Find the expected value. (Enter your answer to two decimal place.)  children (d) Is it more likely that a married adult will have two to three children or four to six children? How do you know? a. it is more likely to have two to three children, with p = 0.5 b. it is more likely to have four to six children, with p = 0.1     c. it is more likely to have two to three children, with p = 0.35 d. it is more likely to have four to six children, with p = 0.8 e. it is more likely to have four to six children, with p = 0.2

(c) Find the expected value. (Enter your answer to two decimal place.)  children (d) Is it more likely that a married adult will have two to three children or four to six children? How do you know? a. it is more likely to have two to three children, with p = 0.5 b. it is more likely to have four to six children, with p = 0.1     c. it is more likely to have two to three children, with p = 0.35 d. it is more likely to have four to six children, with p = 0.8 e. it is more likely to have four to six children, with p = 0.2

MATLAB: An Introduction with Applications
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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Suppose that 20,000 married adults in a country were randomly surveyed as to the number of children they have. The results are compiled and are used as theoretical probabilities. Let X = the number of children married people have.

x P(x) xP(x)
0 0.10  
1 0.20  
2 0.35  
3    
4 0.10  
5 0.05  
6 (or more) 0.05  

(c) Find the expected value. (Enter your answer to two decimal place.)
 children

(d) Is it more likely that a married adult will have two to three children or four to six children? How do you know?

a. it is more likely to have two to three children, with p = 0.5
b. it is more likely to have four to six children, with p = 0.1    
c. it is more likely to have two to three children, with p = 0.35
d. it is more likely to have four to six children, with p = 0.8
e. it is more likely to have four to six children, with p = 0.2
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