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S-CP.7 Warmup M2-069-A05-V04

Apply and interpret the Addition Rule P(A or B)=P(A)+P(B)-P(A and B).

Find P(A or B) from Venn-diagram information using the Addition Rule

Problem

Use the Venn diagram to form the union count \(18+14-5\) and divide it by the sample total \(40\).

Prompt Venn diagram: A total is 18, B total is 14, the overlap is 5, and the sample-space total is 40. Find P(A or B); the result is withheld. Open full size
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Four variants of this problem type
Curriculum context
Course
Math II
Standard
S-CP.7
Category
Statistics and Probability
Domain
Conditional Probability and the Rules of Probability
Objective
Apply and interpret the Addition Rule P(A or B)=P(A)+P(B)-P(A and B).
Problem type
Find P(A or B) from Venn-diagram information using the Addition Rule