According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft ('Consumer fraud and,' 2008). Assume a state had 374 complaints of identity theft out of 1700 consumer complaints . Calculate a 92% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.
According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft ('Consumer fraud and,' 2008). Assume a state had 374 complaints of identity theft out of 1700 consumer complaints . Calculate a 92% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.
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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Question
According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft ('Consumer fraud and,' 2008). Assume a state had 374 complaints of identity theft out of 1700 consumer complaints . Calculate a 92% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.
Transcribed Image Text:A: Assumptions
• Since Select an answerinformation was collected from each object, what conditions do we need
to check? Check all that apply.
On(p) > 10
On(1-P) ≥ 10
ON ≥ 20n
Oois known.
On 30 or normal population.
Oo is unknown.
Check those assumptions:
1. np=
2. n(1-p)=
3. N=
which is ? ✓
which is ? ✓
which is
If no N is given in the problem, use 1000000
?v=
N: Name the procedure
The conditions are met to use a Select an answer
I: Interval and point estimate
The symbol and value of the point estimate on this problem are as follows:
Leave answer as a fraction.
Transcribed Image Text:N: Name the procedure
The conditions are met to use a Select an answer
I: Interval and point estimate
The symbol and value of the point estimate on this problem are as follows:
? v =
The interval estimate for ? ✓ is
Round endpoints to 3 decimal places.
C: Conclusion
Leave answer as a fraction.
• We are
Select an answer
between
% confident that
% and
%
is
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