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.
It’s the first one! The table shows X going up and Y going down, so the slope would be negative!
B. <span>No, the answer is not reasonable. It should be about 2 miles.
</span>
Answer:
12.05%
Step-by-step explanation:
:D
Step-by-step explanation:
a triangle,=180
so 68+35-180=77
then 77+68=145
