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.
4/9 x 27 = girls
12 girls
5/9 x 27 = boys
15boys
I’m fairly sure it is the last one. But the pictures are hard to see. 3/2 is the slope and -1 is the y intercept. Find the point at (0,-1) , the y intercept. Then go up 3 and over 2 to find the next point
Answer:
Orange ribbon Zoe use is
Step-by-step explanation:
Given:
Zoe had 3 1 /8 feet of orange ribbon. She used some ribbon to make a bow for a gift now she has 1 3 /8 feet of orange ribbon left.
Now, to find the orange ribbon Zoe use.
Let the orange ribbon Zoe use be
Total orange ribbon Zoe had =
Ribbon Zoe had left =
Now, to get the orange ribbon Zoe use:
<em>Subtracting both sides by </em><em> we get:</em>
<em>Adding both sides by </em><em> we get:</em>
Therefore, orange ribbon Zoe use is
40/5= 8 is the mean..........