The critical value corresponding to a level of significance of ? = 0.01 .
The probability density function of X is f (x) = 4/x5 over [1, x= ?). Compute the quantity.
3.162278
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Solve the problem by integration.The force F (in N) applied by a stamping machine in making a certain computer part is 
where x is the distance (in cm) through which the force acts. Find the work done by the force from 
to 
A. 0.3168 N? cm B. 11.5907 N? cm C. 0.0222 N? cm D. 0.1334 N? cm
Graph on the number line.-6
A. 
B. 
C. 
D. 
Refer to the double-bar graph below which shows the number of male (M) and female (F) athletes at a university over a four-year period. Solve the problem. 
YEARWhat was the amount of the decrease in the number of female athletes from 1988 to 1989?
A. 50 B. 75 C. 100 D. 200
Use an Euler diagram to determine whether the argument is valid or invalid.All horses whinny.
Therefore, all brown horses whinny.
A. valid B. invalid