Answer:
The coordinates of point C are (8,8.5)
Step-by-step explanation:
The picture of the question in the attached figure
Let
----> coordinates of point C
we have that
The horizontal distance AB is equal to
The vertical distance AB is equal to
Find the horizontal coordinate of point C
we know that
so
----> equation A
----> equation B
substitute equation A in equation B
so
The x-coordinate of point C is equal to the x-coordinate of point A plus the horizontal distance between the point A and point C
Find the vertical coordinate of point C
we know that
so
----> equation A
----> equation B
substitute equation A in equation B
so
The y-coordinate of point C is equal to the y-coordinate of point A plus the vertical distance between the point A and point C
therefore
The coordinates of point C are (8,8.5)
I don't understand. What are the values given? Are they values of an x,y plot?
If you plot them they are a straight line with y =6x - 2.9 but I don't know what you mean by when x=3 and y = 4?
ANSWER:
EXPLANATION:
A simple random sample of size has mean and standard deviation. Construct a confidence interval for the population mean. The parameter is the population The correct method to find the confidence interval is the method.
The sample size is not given. Mean and Standard Deviation are not given.
To construct a confidence interval for the population mean, first find out the margin of error of the sample mean. This is why you need a confidence interval. If you are 90% confident that the population mean lies somewhere around the sample mean then you construct a 90% confidence interval.
This is equivalent to an alpha level of 0.10
If you are 95% sure that the population mean lies somewhere around the sample mean, your alpha level will be 0.05
In summary, get the values for sample size (n), sample mean, and sample standard deviation.
Make use of a degrees of freedom of (n-1).
