Common Core HSS.MD.A.2 worksheet
High school · 16 questions · Common Core: HSS.MD.A.2, HSS.MD.B.5
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Question 1
A game pays 1 points with probability 0.5, 3 points with probability 0.3, 5 points with probability 0.2. What is the expected number of points?
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Question 2
A raffle ticket costs 3 points. There is a 0.2 chance of winning 22 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 3
A game pays 1 points with probability 0.2, 7 points with probability 0.2, 3 points with probability 0.6. What is the expected number of points?
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Question 4
A raffle ticket costs 1 points. There is a 0.25 chance of winning 28 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 5
A game pays 4 points with probability 0.5, 9 points with probability 0.3, 10 points with probability 0.2. What is the expected number of points?
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Question 6
A raffle ticket costs 1 points. There is a 0.1 chance of winning 27 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 7
A game pays 5 points with probability 0.2, 10 points with probability 0.2, 3 points with probability 0.6. What is the expected number of points?
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Question 8
A raffle ticket costs 4 points. There is a 0.2 chance of winning 24 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 9
A game pays 4 points with probability 0.25, 2 points with probability 0.25, 3 points with probability 0.5. What is the expected number of points?
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Question 10
A raffle ticket costs 3 points. There is a 0.1 chance of winning 25 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 11
A game pays 1 points with probability 0.5, 8 points with probability 0.3, 10 points with probability 0.2. What is the expected number of points?
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Question 12
A raffle ticket costs 5 points. There is a 0.2 chance of winning 19 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 13
A game pays 10 points with probability 0.25, 5 points with probability 0.25, 2 points with probability 0.5. What is the expected number of points?
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Question 14
A raffle ticket costs 1 points. There is a 0.1 chance of winning 6 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
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Question 15
A game pays 7 points with probability 0.2, 10 points with probability 0.2, 9 points with probability 0.6. What is the expected number of points?
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Question 16
A raffle ticket costs 3 points. There is a 0.25 chance of winning 10 points. What is the expected gain per ticket (prize value minus cost)? It may be negative.
Answer
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