Nope.An example would be the graph of

. The graph does not pass through (0, 0) as it is undefined.
Add the amount withdrawn from the end Balance then subtract the 2 deposits shown here, the end result would be his initial deposit. $123.90
The slope of the line may be calculated by using the formula:
m = (y2 - y1)/(x2 - x1), where m is the slope, and (x1, y1) and (x2, y2) are two points on the line.
Using the points (0, -1) and (2, 4) shown, we can substitute these values into the formula above to get:
m = (y2 - y1)/(x2 - x1)
m = (4 - (-1))/(2 - 0)
m = 5/2
Therefor, the slope is 5/2.
Another way to think about the slope is in terms of rise/run, that is for a given interval that the x-value 'runs', by how much does the y value 'rise'?
Here, if we take the same two points (0, -1) and (2, 4), we can see that the x-value has moved 2 units, and the y-value has increased by 5 units. Thus:
if slope = rise/run, then the slope would be 5/2
Note that you should be careful when using this method if the y-value decreases as x increases; in this scenario, the 'rise' would be a negative value rather than a positive one
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Answer:
a
The 90% confidence interval that estimate the true proportion of students who receive financial aid is

b

Step-by-step explanation:
Considering question a
From the question we are told that
The sample size is n = 200
The number of student that receives financial aid is 
Generally the sample proportion is

=> 
=> 
From the question we are told the confidence level is 90% , hence the level of significance is

=> 
Generally from the normal distribution table the critical value of
is

Generally the margin of error is mathematically represented as

=>
=> 
Generally 90% confidence interval is mathematically represented as

=>
Considering question b
From the question we are told that
The margin of error is E = 0.03
From the question we are told the confidence level is 99% , hence the level of significance is

=> 
Generally from the normal distribution table the critical value of is

Generally the sample size is mathematically represented as
![[\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )](https://tex.z-dn.net/?f=%5B%5Cfrac%7BZ_%7B%5Cfrac%7B%5Calpha%20%7D%7B2%7D%20%7D%7D%7BE%7D%20%5D%5E2%20%2A%20%5C%5E%20p%20%281%20-%20%5C%5E%20p%20%29)
=> ![n = [\frac{2.58}{0.03} ]^2 * 0.59 (1 - 0.59 )](https://tex.z-dn.net/?f=n%20%3D%20%5B%5Cfrac%7B2.58%7D%7B0.03%7D%20%5D%5E2%20%2A%200.59%20%281%20-%200.59%20%29%20)
=> 