Answer:

Step-by-step explanation:
The fundamental step would be to determine the values of p and E which i believe is the margin of error in this case. Consider the following two equations;

We simply add the two equations and solve for p;

We then substitute this value of p in either equation and solve for E;

Since we have both p and E, the confidence interval can thus be written as;

Explanation:
If your actual answer is very far from your estimate, you probably made a mistake somewhere.
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<em>Additional comment</em>
50 years ago, when a slide rule was the only available calculation tool, making an estimate of the result was a required part of doing the calculation. Not only were the first one or two significant digits needed, but also the power of 10 that multiplied them. Use of a slide rule required the order of magnitude be computed separately (by hand) from the significant digits of the result.
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You may also find it useful to estimate the error in your estimate. That is, you may want to know the approximate answer to 2 (or more) significant digits in order to gain confidence that your calculation is correct.
Associative property of addition.
This means that no matter where you put the parenthesis, you will get the same solution.
Hope this helps!
Answer:
Two distinct roots means two real solutions for x (the parabola needs to cross the x-axis twice)
Step-by-step explanation:
Step-by-step explanation:
note A- b = A n B
so, ( A n B ) = ( 3, 4 )
( A n B )' = ( 0,1,2,5,6,7)