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Probability trees and Venn diagrams

Explore two-stage probability tree diagrams (with and without replacement) by multiplying along branches and adding outcomes, or switch to two- and three-set Venn diagrams for set notation and conditional probability.

Bag of counters & replacement rule

Draw rule:

Red counters in bag (R) 5 red

Blue counters in bag (B) 3 blue

Probability trees and Venn diagrams

Bag of counters & replacement rule

Highlight compound event (multiply along branches, add outcomes)

Venn diagram sets & set notation

Edit region frequencies in universal set ξ