Answer:
The margin of error is 
Step-by-step explanation:
From the question we are told that
The number of student is 
The highest amount is 
$200
The lowest amount is 
$75
The sample mean is 
&140
The Standard deviation of this set is mathematically evaluated as
Substituting values
The margin of error (ME) is mathematically evaluated as
Where 
is the critical value for 
i.e the significance level
From the critical value table this is 
So
Combine like terms
2x^2 + -7x^2 = -5x^2
-9x + 4x = -5x
3 + -2 = 1
put back together
-5x^2 - 5x +1
Hello there!
5d = 17.1
The equation is asking you to find the value for "d". How to do that? Well, all you have to do is divide both side by 5.
5d/5 = 17.1
d = 3.42
That's your answer!
You can even double check your work, if you want to. How? Well, you just need to replace 3.42 where it belongs.
5(3.42) = 17.1
17.1 = 17.1
True!
Let me know if you have additional questions. As always, it is my pleasure to help students like you!
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Answer:
38
Step-by-step explanation:
