Answer:
175,000,000
Step-by-step explanation:
you subtract 550,000,000 from 725,000,000
Complete options are;
A) Paired t-test for means
B) Paired Z-test for means
C) Z-test for proportion
D) t-test for means
E) Z-test for means
F) t-test for proportion
Answer:
B) Paired Z-test for means
Step-by-step explanation:
We are told that the distances travelled are normally distributed.
We are also trying to find out if the average distance travelled by the Titleist Pro V1 golf balls is farther than that of the Callaway Chrome Soft golf balls.
Also, the standard deviation of both cases are known.
Thus, this is where Paired Z-test for means is used.
Yes
Set the total cost toy, the number of books is x.
So, y= 200+2x
so cost is a dunction of the number of books
Hope this helps you!!!!! :D
Answer:
x=38
Step-by-step explanation:
