-9 because-26 minus 10 is -36 and -36 divided by 4 is -9
22/39 since you took one piece out. Sorry if this rounds down more.
Answer:
There was no error
Step-by-step explanation:
There are two types of statistical errors, the type 1 error and the type 2 error. In this case we refute the null hypothesis when the hypothesis is, in fact, false, because the mean process is 9 days instead of 7. Therefore we made no errors.
If the null hypothesis were True, a type 1 error would have ocurred. If the null hypothesis were false and we didnt refute it, then a type 2 error would have ocurred.
Answer:
178
Step-by-step explanation:
The area of the rectangle is 6x25=150.
The area of the two semicircles on the sides is equal to the area of one circle with a radius of 3, so the area is 
which is approximately 28.27.
150+28.27=178.27
