Concept explainers
a)
To find
a)
Answer to Problem 30E
The probability (in 2003) of obtaining an interview with the next household on the sample list = 0.2888
Explanation of Solution
Given:
P(Household is contacted) = 0.76
P(cooprate) = 0.38
Formula:
Multiplication rule:
Calculation:
Using multiplication rule,
Hence, the probability (in 2003) of obtaining an interview with the next household on the sample list is 0.2888.
b)
To find probability (in 1997) of obtaining an interview with the next household on the sample list.
b)
Answer to Problem 30E
The probability (in 1997) of obtaining an interview with the next household on the sample list = 0.4002
Explanation of Solution
Given:
P(Household is contacted) = 0.69
P(cooprate) = 0.58
Formula:
Multiplication rule:
Calculation:
Using multiplication rule,
Hence, the probability (in 1997) of obtaining an interview with the next household on the sample list is 0.4002.
Chapter 14 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Elementary Statistics: Picturing the World (6th Edition)
Elementary Statistics (13th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
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