N is Poisson (1.8).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable.
1.8; 1.8; 1.341641
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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. 0.1306 N? cm B. 0.0067 N? cm C. 0.0403 N? cm D. 13.3621 N? cm
LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}Determine the following.(A ? B') ? (B ? A')
A. {u, w, z} B. {u, w, y, z} C. {q, s, y} D. {q, s, u, w, y, z}
Find the principal (present value) of the simple interest loan. Round to the nearest cent.The future value of $616.00 invested in a simple interest account at an annual percentage rate of 4% for 8 months
A. $792.00 B. $621.00 C. $192.00 D. $600.00
Solve the equation on the interval 0 ? ? < 2?.2 cos(2?) = 
A. 
B. 
C. 
D. 