Answer:
It will take 55 years for the account value to reach 38200 dollars
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
![E = P*I*t](https://tex.z-dn.net/?f=E%20%3D%20P%2AI%2At)
In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
.
In this problem, we ahve that:
![T = 38200, P = 7500, I = 0.075](https://tex.z-dn.net/?f=T%20%3D%2038200%2C%20P%20%3D%207500%2C%20I%20%3D%200.075)
So
First we find how much we have to earn in interest.
.
![E = 38200 - 7500](https://tex.z-dn.net/?f=E%20%3D%2038200%20-%207500)
![E = 30700](https://tex.z-dn.net/?f=E%20%3D%2030700)
How much time to earn this interest?
![E = P*I*t](https://tex.z-dn.net/?f=E%20%3D%20P%2AI%2At)
![30700 = 7500*0.075*t](https://tex.z-dn.net/?f=30700%20%3D%207500%2A0.075%2At)
![t = \frac{30700}{7500*0.075}](https://tex.z-dn.net/?f=t%20%3D%20%5Cfrac%7B30700%7D%7B7500%2A0.075%7D)
![t = 54.6](https://tex.z-dn.net/?f=t%20%3D%2054.6)
Rounding up
It will take 55 years for the account value to reach 38200 dollars
Using the confidence interval, it is found that the correct option is:
There is convincing evidence because the entire interval is above 0.
<h3>When does a confidence interval for the difference of proportions gives convincing evidence that there is a difference?</h3>
It gives convincing evidence when 0 is not part of the confidence interval.
In this problem, the interval is (0.02, 0.38), which does not contain 0, hence the correct option is:
There is convincing evidence because the entire interval is above 0.
More can be learned about confidence intervals at brainly.com/question/25890103
A whole number that would support Cindys claim would be 2 because if u do the ,math it would be 8/24 which would be .333 repeating which is simplify to 1/3 and i do not know a number that would not work.
<span>the prime factorization of 2,520
2 * 2 * 2 * 3 * 3 *5 * 7</span>