Suppose that, for a certain exam, a teacher grades on a curve. It is known that the mean is 65 and the standard deviation is 6. There are 40 students in the class. How many students should receive a C?
?
?
__________ students
Fill in the blank(s) with the appropriate word(s).
27
Mathematics
You might also like to view...
Perform the indicated operations.
? 
÷ 
A. 
B. 1
C. 
D. 
Mathematics
Simplify. Your answer should be in lowest terms.9
+ 13
+ 
A. 22
B. 23
C. 23
D. 24
Mathematics
It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale unit price is
?
?
dollars. Determine the consumers' surplus if the wholesale market price is set at $10/unit. Round your answer to the nearest dollar.
?
$__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the average value of the function
?
?
over the indicated interval 
.
?
A. 12 B. 11 C. 13 D. 16
Mathematics