Concept explainers
To find: the
Answer to Problem 92E
Explanation of Solution
Given:
13% of the internet sites referenced in major scientific journals are lost within two years after publication.
Concept used:
Multiplication rule
Complement rule:
Calculation:
Complement rule:
Apply complement rule to find the probability of a reference not being lost within 2 years:
Multiplication rule:
Apply multiplication rule to find the probability of not losing within 7 references:
Use the complement rule to obtain the probability of obtaining at least one losing within 2 years :
Chapter 5 Solutions
The Practice of Statistics for AP - 4th Edition
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