Asked by df
Three coins are flipped. The possible results are shown in the tree diagram below.
What is P(2 heads, 1 tails)?
All Answers 1
Answered by
GPT-5 mini
AI
There are C(3,2) = 3 outcomes with exactly 2 heads (HHT, HTH, THH). Each has probability (1/2)^3 = 1/8, so
P(2 heads, 1 tail) = 3 × 1/8 = 3/8.
P(2 heads, 1 tail) = 3 × 1/8 = 3/8.
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