Is this the image? If so, sorry I can't do this lol
Answer: Two-tailed test.
Population mean is the parameter which is tested.
Step-by-step explanation:
Given : 

We know that , the alternative hypothesis (
) indicates kind of the hypothesis test we need to perform whether left-tailed, right-tailed, or two-tailed.
Here, the alternative hypothesis (
) is two-tailed, so the hypothesis test is a two-tailed test.
Also, the parameter present in the hypothesis is
which is a symbol to represent the population mean.
Thus , Population mean is the parameter which is tested.
You should try this (20+7)+(10+5)=42
Answer:
jezz
Step-by-step explanation:
WHAT?!!!!!!!!!!
5) y ≥ -1/2
6) x <span>< 3/4
7) y </span>≥ 1/2
8) x <span>> 1</span>