If m=
iddle" class="latex-formula"> and n=
, what is 
in terms of x and y?
A. y^2
B. x^2
C. 1/x^2
D. 1/y^2
-Please explain the process. Thanks!
A. y^2
B. x^2
C. 1/x^2
D. 1/y^2
-Please explain the process. Thanks!
1 answer:
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Answer:
At least 547 records need to be studied.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence interval
, we have the following confidence interval of proportions.
In which
Z is the zscore that has a pvalue of .
And the margin of error is:
95% confidence interval
So , z is the value of Z that has a pvalue of
, so
.
In this problem, we have that:
At least 547 records need to be studied.
The answer is 8.8
You have to use SohCahToa to figure out the length of AB
You have to use SohCahToa to figure out the length of AB