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 373 complaints of identity theft out of 1460 consumer complaints . Calculate a 91% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
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Chapter2: Solving Linear Equations
Section2.4: Solve Mixture And Uniform Motion Applications
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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 373 complaints of identity theft out of 1460 consumer complaints . Calculate a 91% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.

Check those assumptions:
1. np=
2. n (1-p)=
3. N=
If no N is given in the problem, use 1000000
? ✓ =
which is ? ✓
N: Name the procedure
The conditions are met to use a Select an answer
which is ? ✓
I: Interval and point estimate
The symbol and value of the point estimate on this problem are as follows:
which is
C: Conclusion
• We are
The interval estimate for ? ✓ is
Select an answer
between
Round endpoints to 3 decimal places.
Leave answer as a fraction.
% confident that
% and
%
Transcribed Image Text:Check those assumptions: 1. np= 2. n (1-p)= 3. N= If no N is given in the problem, use 1000000 ? ✓ = which is ? ✓ N: Name the procedure The conditions are met to use a Select an answer which is ? ✓ I: Interval and point estimate The symbol and value of the point estimate on this problem are as follows: which is C: Conclusion • We are The interval estimate for ? ✓ is Select an answer between Round endpoints to 3 decimal places. Leave answer as a fraction. % confident that % and %
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