Concept explainers
a.
To find:the percentage of calls results in a contribution.
a.
Answer to Problem 98E
Explanation of Solution
Given:
Concept used:
Multiplication rule
Calculation:
Multiply the corresponding probabilities given along the branches:
Add the corresponding probabilities:
Hence,the percentage of calls results in a contribution is
b.
To find: the percentage who contribute are recent donor.
b.
Answer to Problem 98E
The percentage who contribute are recent donor is
Explanation of Solution
Given:
Concept used:
Definition conditional probability:
Calculation:
From part (a):
Definition conditional probability:
Thus obtained:
Hence,the percentage who contribute are recent donor is
Chapter 5 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics for Psychology
Elementary Statistics
Introductory Statistics
Introductory Statistics (2nd Edition)
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