What point can be used to create a right triangle
2 answers:
Answer:
Step-by-step explanation:
Since this is a right triangle, it has to create a 90° angle. That means that we can find the points of intersection if we drew horizontal and vertical lines from points A and B.
One of the points of intersection is which is not an answer choice, but the other point of intersection,
is an answer choice.
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Answer:
The value of the test statistic is
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the null hypothesis value,
is the standard deviation and n is the size of the sample.
In this problem:
So
The value of the test statistic is