A random variable has the probability distribution table as shown. Calculate 
.
x -3 -2 -1 0 1P ( X = x ) 0.50.10.1?
A. 0.5
B. 0.3
C. 0.8
D. 0
E. Cannot be determined from given information.
Answer: C
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. Divergent B. 1.569 C. -1.569 D. 0.193
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.r = -4 sin ?
A. C
, radius = 4
B. C
, radius = 2
C. C
, radius = 2
D. C
, radius = 4
Mathematics
Simplify the expression. Write the answer using positive exponents.(k6)-7(km)6
A. -k48m6
B. 
C. -k36m6
D. 
Mathematics