Answer:
(-7,-2)
Step-by-step explanation:
Graphed on the Cartesian plane.
|
+ |
-----------------------------------------
O |
|
+ represents original
o represents reflected.
Both points are at x = -7. When reflected across the x-axis, the point is seems to have moved lower than from its original position.
Answer:
B. The intervals are centered around the sample mean GPA.
D. 95% of the intervals will contain the population mean in the long run.
Step-by-step explanation:
Confidence interval:
Depends on two things: The sample mean and the margin of error.
Lower end: Sample mean - margin of error
Upper end: Sample mean + margin of error
This means that the intervals are centered around the sample mean.
x% level:
x% of the intervals will contain the population mean in the long run.
So the true statements are:
B. The intervals are centered around the sample mean GPA.
D. 95% of the intervals will contain the population mean in the long run.
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Answer: I think its combining like terms
I'm not 100% sure though sorry
