Find the expected value of the random variable in the experiment.Three cards are drawn from a deck without replacement. The number of aces is counted.
A. 1
B. 0.2174
C. 1.0134
D. 0.2308
Answer: D
Mathematics
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Evaluate the indicated double integral over R.
; R = {(x, y): 0 ? x ? 
, 0 ? y ? ?}
A. 
B. ?
C. 
D. 
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Use the multiplication property of equality to solve the equation.
= -2
A. -10 B. 10 C. 7 D. -7
Mathematics
Solve the absolute value inequality.|2x - 3| ? 2
A. 
< x < 
B. 
? x ? 
C. x ? 
or x ? 
D. x ? 
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Find the opposite, or additive inverse.- 
A. -2
B. 2
C. 
D. - 
Mathematics