Concept explainers
The following table presents the number of reports of graffiti each of New York’s five over a one-year period. These reports were classified as being open, closed, or pending.
A graffiti report is selected at random. Compute the following
The report is open and comes from Brooklyn.
The report is closed or comes from Queens.
The report comes from Manhattan.
The report does not come from Manhattan.
The report is pending.
The report is from the Bronx or Staten Island.
a.
To find: The probability of selected report is come from Brooklyn.
Answer to Problem 44E
The probability of selected report is come from Brooklyn is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of reports comes from Brooklyn is
Therefore,
b.
To find: The probability of selected report is come from Queens.
Answer to Problem 44E
The probability of selected report is come from Queens is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of reports come from Queens is
So,
c.
To find: The probability of selected report is come from Manhattan.
Answer to Problem 44E
The probability of selected report is come from Manhattan is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of reports come from Manhattan is
Therefore,
d.
To find: The probability of selected report is not come from Manhattan.
Answer to Problem 44E
The probability of selected report is not come from Manhattan is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of reports come from Manhattan is
It is known that,
Therefore,
e.
To find: The probability of selected report is pending.
Answer to Problem 44E
The probability of selected report is pending is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of pending reports is
Therefore,
f.
To find: The probability of selected report is come from Bronx or Staten Island.
Answer to Problem 44E
The probability of selected report is come from Bronx or Staten Island is
Explanation of Solution
Given information: The data is shown below in table.
Calculation:
The number of reports come from Bronx or Staten Island is,
Hence,
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Chapter 5 Solutions
Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561
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