Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300
B. $0.60
C. $1
D. $100
Answer: B
Mathematics
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Determine whether the improper integral is convergent or divergent, and calculate its value if it is convergent.
Mathematics
Match the given equation with one of the graphs.36x2 - 4y2 = 144
A. 
B. 
C. 
D. 
Mathematics
The oscillating current in an electrical circuit is 
, where I is measured in amperes and t is measured in seconds. Find the average current for the time interval 
. Round your answer to three decimal places.
?
A. 2.382 amps B. 1.382 amps C. 0.691 amps D. 2.765 amps E. 1.691 amps
Mathematics
Write an equation for the graph of the sine or cosine curve.
A. y = 2 cos 
B. y = 2 cos 
C. y = 2 cos 
D. y = 2 cos 
Mathematics