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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Find the indicated probability.In a survey, 50 students were asked to name their favorite color. The table below shows the results. 
If a student is selected at random, what is the probability that their favorite color is purple?
A. 
B. 
C. 
D. 9
Mathematics
Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Toss three coins.
A. 1 outcome B. 3 outcomes C. 6 outcomes D. 8 outcomes
Mathematics
Perform the indicated operations.9 ? 8 - 2
A. 74 B. 144 C. 54 D. 70
Mathematics
Find the image.Find the image ?A'B'C' of ?ABC under the rigid motion consisting of three consecutive reflections across the concurrent lines m1, m2, and m3.
A. 
B. 
C. 
D. 
Mathematics