OpenStax, Introductory Business Statistics 2e §3.5 Venn Diagrams · Example 4 · Combinatorics · Sets & logic
Venn Diagrams · Example 4
Find the probability of selecting a student who either earns a "B" OR is a first-year student. We are translating the word OR to the mathematical symbol for the addition rule, which is the union of the two sets.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Business Statistics 2e · §3.5 Venn Diagrams · Example 4
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