Tree diagrams show all the outcomes of a sequence of events — multiply along branches, add across paths.
Try it
Two coin flips. P(both heads)?
0.5 × 0.5 = 0.25.
Tree diagrams show all the outcomes of a sequence of events — multiply along branches, add across paths.
Two coin flips. P(both heads)?
0.5 × 0.5 = 0.25.