Algebra 2: Games of Chance – SCOPES Digital Fabrication

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Author

ERIN JAYNES

Summary

In this unit, students will design a game of chance and use that game as a platform to discuss one or more types of probability. In particular, students will focus on conditional probability, probabilities of unions and intersections, and probabilities of multiple events. Mutually exclusive events and independent vs. dependent events will also be addressed in student products.

The Instructions

Algebra 2: Games of Chance

See attached lesson plan.

See attached lesson plan.

Standards

  • (HSS.CP.A1): Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events ("or," "and," "not").
  • (HSS.CP.A2): Understand that two events A and B are independent if the probability of A and B occurring together is the product of their probabilities, and use this characterization to determine if they are independent.
  • (HSS.CP.A3): Understand the conditional probability of A given B as P(A and B)/P(B), and interpret independence of A and B as saying that the conditional probability of A given B is the same as the probability of A, and the conditional probability of B given A is the same as the probability of B.
  • (HSS.CP.A4): Construct and interpret two-way frequency tables of data when two categories are associated with each object being classified. Use the two-way table as a sample space to decide if events are independent and to approximate conditional probabilities. For example, collect data from a random sample of students in your school on their favorite subject among math, science, and English. Estimate the probability that a randomly selected student from your school will favor science given that the student is in tenth grade. Do the same for other subjects and compare the results.
  • (HSS.CP.A5): Recognize and explain the concepts of conditional probability and independence in everyday language and everyday situations. For example, compare the chance of having lung cancer if you are a smoker with the chance of being a smoker if you have lung cancer.
  • (HSS.CP.B6): Find the conditional probability of A given B as the fraction of B's outcomes that also belong to A, and interpret the answer in terms of the model.
  • (HSS.CP.B7): Apply the Addition Rule, P(A or B) = P(A) + P(B) - P(A and B), and interpret the answer in terms of the model.
  • (HSS.CP.B8): (+) Apply the general Multiplication Rule in a uniform probability model, P(A and B) = P(A)P(B|A) = P(B)P(A|B), and interpret the answer in terms of the model.
  • (HSS.CP.B9): (+) Use permutations and combinations to compute probabilities of compound events and solve problems.

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