n a random sample of 100 audited estate tax​ returns, it was determined that the mean amount of additional tax owed was ​$3468 with a standard deviation of ​$2571. Construct and interpret a​ 90% confidence interval for the mean additional amount of tax owed for estate tax returns.

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Author:Amos Gilat
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In a random sample of
100
audited estate tax​ returns, it was determined that the mean amount of additional tax owed was
​$3468
with a standard deviation of
​$2571.
Construct and interpret a​ 90% confidence interval for the mean additional amount of tax owed for estate tax returns.
 
 
 

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Part 1
Find and interpret a​ 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Select the correct choice below and fill in the answer boxes to complete your choice.
​(Use ascending order. Round to the nearest dollar as​ needed.)
 
A.
There is a​ 90% probability that the mean additional tax owed is between
​$enter your response here
and
​$enter your response here.
 
B.
​90% of taxes owed for estate tax returns are between
​$enter your response here
and
​$enter your response here.
 
C.
One can be​ 90% confident that the mean additional tax owed is between
​$enter your response here
and
​$enter your response here
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