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Answer:</h2>
<u><em>The answer has to be 30. </em></u>
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Step-by-step explanation:</h2>
<em>Correct me if I am incorrect but I would believe I am correct. Have a good one!</em>
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Answer:
The 85% onfidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars is (0.151, 0.205).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
For this problem, we have that:
Sample of 421 new car buyers, 75 preferred foreign cars. So 
85% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:

The upper limit of this interval is:

The 85% onfidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars is (0.151, 0.205).
$68.11 all you have to do is add the tax to the amount paid for the shoes
15x4y2 letter B is your answer
B=5 because
8-2b=-2
-8 -8
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-2b=-10
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-2 -2
b=5
5(-2)=-10