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High School Statistics and Probability
Domain Using Probability to Make Decisions
Cluster Calculate expected values and use them to solve problems
Standard Develop a probability distribution for a random variable defined for a sample space in which theoretical probabilities can be calculated; find the expected value. <span class='clarification'>For example, find the theoretical probability distribution for the number of correct answers obtained by guessing on all five questions of a multiple-choice test where each question has four choices, and find the expected grade under various grading schemes.</span>

HSS-MD.A.3

Develop a probability distribution for a random variable defined for a sample space in which theoretical probabilities can be calculated; find the expected value. For example, find the theoretical probability distribution for the number of correct answers obtained by guessing on all five questions of a multiple-choice test where each question has four choices, and find the expected grade under various grading schemes.

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