Build on work with two-way tables from Algebra I Unit 3 (S.ID.5) to develop understanding of conditional probability and independence

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### Quiz - Applications of Probability: Understand independence and conditional probability and use them to interpret data: Standards: S.CP.1, S.CP.2, S.CP.3, S.CP.4, S.CP.5

by Allen Wolmer

Standards: S.CP.1, S.CP.2, S.CP.3, S.CP.4, S.CP.5
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### S.CP.1 Describe events as subsets of a sample space (the set of outcomes)

by Allen Wolmer

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”).
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### S.CP.2 Understand that two events A and B are independent if the probability of A and B occurring together is the product of their probabilities

by Allen Wolmer

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.
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### S.CP.3 Understand the conditional probability of A given B as P(A and B)/P(B)

by Allen Wolmer

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.
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### S.CP.4 Construct and interpret two-way frequency tables of data

by Allen Wolmer

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.
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### S.CP.5 Recognize and explain the concepts of conditional probability and independence in everyday language and everyday situations.

by Allen Wolmer

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.
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