N would equal 28 since 60-32 is 28
Answer:
x^2 - 12x..............................
The confidence interval can be calculated from the margin of error, and vice versa,
The margin of error of the confidence interval is 2.156
The confidence interval is given as:

The formula of confidence interval is:

Where E represents the margin of error.
So, by comparison:

Multiply

Hence, the margin of error of the confidence interval is 2.156
Read more about margin of errors at:
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(10 x 1) + (2 x 1) + (0.7 x 1) + ( 0.03 x 1) + (0.008 x 1)